{
  "GSD": {
    "alias": "CVE-2018-17155",
    "description": "In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.",
    "id": "GSD-2018-17155"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-17155"
      ],
      "details": "In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.",
      "id": "GSD-2018-17155",
      "modified": "2023-12-13T01:22:31.500098Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "secteam@freebsd.org",
        "DATE_PUBLIC": "2018-09-27T00:00:00",
        "ID": "CVE-2018-17155",
        "STATE": "PUBLIC"
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      "affects": {
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          "vendor_data": [
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              "product": {
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                    "version": {
                      "version_data": [
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                          "version_value": "11.2 before 11.2-RELEASE-p4"
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          }
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      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Kernel memory disclosure"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc",
            "refsource": "CONFIRM",
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:10.4:p13:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
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                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "11.2",
                "vulnerable": true
              }
            ],
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        ]
      },
      "cve": {
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          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2018-17155"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "value": "In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-200"
                }
              ]
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          ]
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        "references": {
          "reference_data": [
            {
              "name": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2018-11-23T14:08Z",
      "publishedDate": "2018-09-28T13:29Z"
    }
  }
}