CVE-2016-4553

NameCVE-2016-4553
Descriptionclient_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3625-1
NVD severitymedium (attack range: remote)
Debian Bugs823968

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
squid (PTS)wheezy2.7.STABLE9-4.1+deb7u1fixed
wheezy (security)2.7.STABLE9-4.1+deb7u2fixed
squid3 (PTS)wheezy3.1.20-2.2+deb7u4fixed
wheezy (security)3.1.20-2.2+deb7u7fixed
jessie (security), jessie3.4.8-6+deb8u4fixed
buster, stretch, sid3.5.23-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squidsource(unstable)(not affected)
squid3source(unstable)3.5.19-1medium823968
squid3sourcejessie3.4.8-6+deb8u3mediumDSA-3625-1
squid3sourcewheezy(not affected)

Notes

[wheezy] - squid3 <not-affected> (issue introduced by CVE-2009-0801 fix, not applied in wheezy)
- squid <not-affected> (Does not affect 2.x)
http://www.squid-cache.org/Advisories/SQUID-2016_7.txt
Fix for 3.5.x: http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14039.patch
Fix for 3.5 relies on SBuf.
Fix for 3.4.x: http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13240.patch

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