| Name | CVE-2016-2570 |
| Description | The Edge Side Includes (ESI) parser in Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not check buffer limits during XML parsing, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a crafted XML document, related to esi/CustomParser.cc and esi/CustomParser.h. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 816011 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| squid (PTS) | buster (security), buster, buster (lts) | 4.6-1+deb10u10 | fixed |
| bullseye (security), bullseye | 4.13-10+deb11u3 | fixed |
| bookworm (security), bookworm | 5.7-2+deb12u2 | fixed |
| sid, trixie | 6.12-1 | fixed |
| squid3 (PTS) | jessie, jessie (lts) | 3.5.23-5+deb8u7 | fixed |
| stretch (security) | 3.5.23-5+deb9u7 | fixed |
| stretch (lts), stretch | 3.5.23-5+deb9u10 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| squid | source | (unstable) | (not affected) | | | |
| squid3 | source | (unstable) | 3.5.15-1 | | | 816011 |
Notes
[wheezy] - squid3 <no-dsa> (Minor issue, needs substantial backporting; too intrusive to backport)
- squid <not-affected> (Vulnerable code not present)
http://www.squid-cache.org/Advisories/SQUID-2016_2.txt
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13993.patch
http://bugs.squid-cache.org/show_bug.cgi?id=3870
http://www.squid-cache.org/Versions/v4/changesets/squid-4-14549.patch
Upstream confirmed it does not affect squid 2.7.x
It's maybe too instrusive to fix in 3.1 (squeeze and wheezy).