CVE-2016-3947

NameCVE-2016-3947
DescriptionHeap-based buffer overflow in the Icmp6::Recv function in icmp/Icmp6.cc in the pinger utility in Squid before 3.5.16 and 4.x before 4.0.8 allows remote servers to cause a denial of service (performance degradation or transition failures) or write sensitive information to log files via an ICMPv6 packet.
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 severityhigh (attack range: remote)
Debian Bugs819783

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
squid (PTS)buster, sid4.4-1fixed
squid3 (PTS)jessie3.4.8-6+deb8u5vulnerable
jessie (security)3.4.8-6+deb8u6vulnerable
stretch (security), stretch3.5.23-5+deb9u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squidsource(unstable)4.1-1high
squid3source(unstable)3.5.16-1high819783

Notes

[jessie] - squid3 <no-dsa> (Minor issue)
[wheezy] - squid3 <no-dsa> (Minor issue)
[wheezy] - squid <no-dsa> (Minor issue)
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14015.patch
http://www.squid-cache.org/Advisories/SQUID-2016_3.txt

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