CVE-2018-5734

NameCVE-2018-5734
DescriptionWhile handling a particular type of malformed packet BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information. Affects BIND 9.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)bullseye1:9.16.50-1~deb11u2fixed
bullseye (security)1:9.16.50-1~deb11u1fixed
bookworm1:9.18.28-1~deb12u2fixed
bookworm (security)1:9.18.33-1~deb12u2fixed
trixie1:9.20.4-4fixed
sid1:9.20.5-1fixed

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 Supported Preview Edition/Subscription Edition)
https://kb.isc.org/article/AA-01562/74/CVE-2018-5734

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