CVE-2018-20103

NameCVE-2018-20103
DescriptionAn issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
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 (attack range: remote)
Debian Bugs916307

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
haproxy (PTS)jessie1.5.8-3+deb8u2fixed
jessie (security)1.5.8-3+deb8u1fixed
stretch1.7.5-2vulnerable
buster, sid1.8.19-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
haproxysource(unstable)1.8.15-1medium916307
haproxysourcejessie(not affected)

Notes

[stretch] - haproxy <no-dsa> (Minor issue; can be fixed via point release)
[jessie] - haproxy <not-affected> (Vulnerable code not present)
http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25

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