CVE-2018-5737

NameCVE-2018-5737
DescriptionA problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)jessie1:9.9.5.dfsg-9+deb8u15fixed
jessie (security)1:9.9.5.dfsg-9+deb8u18fixed
stretch (security), stretch1:9.10.3.dfsg.P4-12.3+deb9u5fixed
bullseye, buster1:9.11.5.P4+dfsg-5.1fixed
sid1:9.11.14+dfsg-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bind9source(unstable)(not affected)

Notes

- bind9 <not-affected> (only affects 9.12, not yet packaged)
https://kb.isc.org/article/AA-01606

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