CVE-2018-20103

Published: 12 December 2018

An 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.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
haproxy
Launchpad, Ubuntu, Debian
Upstream
Released (1.8.15-1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.8.8-1ubuntu0.3)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [code not present])
Patches:
Upstream: http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25