CVE-2016-4554

NameCVE-2016-4554
Descriptionmime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.
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-478-1, DLA-558-1, DSA-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+deb7u1vulnerable
wheezy (security)2.7.STABLE9-4.1+deb7u3fixed
squid3 (PTS)wheezy3.1.20-2.2+deb7u4vulnerable
wheezy (security)3.1.20-2.2+deb7u8fixed
jessie3.4.8-6+deb8u4fixed
jessie (security)3.4.8-6+deb8u5fixed
stretch (security), stretch3.5.23-5+deb9u1fixed
buster, sid3.5.27-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squidsource(unstable)(unfixed)medium
squidsourcewheezy2.7.STABLE9-4.1+deb7u2mediumDLA-558-1
squid3source(unstable)3.5.19-1medium823968
squid3sourcejessie3.4.8-6+deb8u3mediumDSA-3625-1
squid3sourcewheezy3.1.20-2.2+deb7u5mediumDLA-478-1

Notes

http://www.squid-cache.org/Advisories/SQUID-2016_8.txt
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10496.patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11842.patch
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12698.patch
http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13236.patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14038.patch
Regression and fix: http://bugs.squid-cache.org/show_bug.cgi?id=4515
Complete patch for 3.4 branch: http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch

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