CVE-2018-5740

NameCVE-2018-5740
Description"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
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)
ReferencesDLA-1485-1
NVD severitymedium (attack range: remote)
Debian Bugs905743

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)jessie1:9.9.5.dfsg-9+deb8u15vulnerable
jessie (security)1:9.9.5.dfsg-9+deb8u17fixed
stretch (security), stretch1:9.10.3.dfsg.P4-12.3+deb9u4vulnerable
buster, sid1:9.11.5.P4+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bind9source(unstable)1:9.11.4.P1+dfsg-1medium905743
bind9sourcejessie1:9.9.5.dfsg-9+deb8u16mediumDLA-1485-1

Notes

[stretch] - bind9 <postponed> (Can be fixed along in the next DSA)
https://kb.isc.org/article/AA-01639/74/CVE-2018-5740
https://gitlab.isc.org/isc-projects/bind9/merge_requests/607/commits

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