cve-2020-8616
Vulnerability from cvelistv5
Published
2020-05-19 14:05
Modified
2024-09-16 23:55
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
BIND does not sufficiently limit the number of fetches performed when processing referrals
References
security-officer@isc.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
security-officer@isc.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
security-officer@isc.orghttp://www.nxnsattack.comExploit, Third Party Advisory
security-officer@isc.orghttp://www.openwall.com/lists/oss-security/2020/05/19/4Mailing List, Patch, Third Party Advisory
security-officer@isc.orghttps://kb.isc.org/docs/cve-2020-8616Patch, Vendor Advisory
security-officer@isc.orghttps://lists.debian.org/debian-lts-announce/2020/05/msg00031.html
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKJXVBOKZ36ER3EUCR7VRB7WGHIIMPNJ/
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOGCJS2XQ3SQNF4W6GLZ73LWZJ6ZZWZI/
security-officer@isc.orghttps://security.netapp.com/advisory/ntap-20200522-0002/
security-officer@isc.orghttps://usn.ubuntu.com/4365-1/
security-officer@isc.orghttps://usn.ubuntu.com/4365-2/
security-officer@isc.orghttps://www.debian.org/security/2020/dsa-4689Third Party Advisory
security-officer@isc.orghttps://www.synology.com/security/advisory/Synology_SA_20_12
Impacted products
ISCBIND9
Show details on NVD website

To clipboard 

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This has at least two potential effects: The performance of the recursing server can potentially be degraded by the additional work required to perform these fetches, and The attacker can exploit this behavior to use the recursing server as a reflector in a reflection attack with a high amplification factor.\"},{\"lang\":\"es\",\"value\":\"Un actor malicioso que explota intencionalmente esta falta de limitaci\u00f3n efectiva en el n\u00famero de recuperaciones realizadas cuando se procesan referencias puede, mediante el uso de referencias especialmente dise\u00f1adas, causar que un servidor recurrente emita una gran cantidad de recuperaciones en un intento de procesar la referencia. 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Advisory\"]},{\"url\":\"https://www.synology.com/security/advisory/Synology_SA_20_12\",\"source\":\"security-officer@isc.org\"}]}}"
  }
}


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