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, 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)stretch1:9.10.3.dfsg.P4-12.3+deb9u6fixed
stretch (security)1:9.10.3.dfsg.P4-12.3+deb9u8fixed
buster, buster (security)1:9.11.5.P4+dfsg-5.1+deb10u3fixed
bullseye, sid1:9.16.13-1fixed

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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