CVE-2012-2751

Name	CVE-2012-2751
Description	ModSecurity before 2.6.6, when used with PHP, does not properly handle single quotes not at the beginning of a request parameter value in the Content-Disposition field of a request with a multipart/form-data Content-Type header, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-5031.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2506-1
Debian Bugs	678527, 678529

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
modsecurity-apache (PTS)	jessie, jessie (lts)	2.8.0-3+deb8u2	fixed
	stretch (security)	2.9.1-2+deb9u1	fixed
	stretch (lts), stretch	2.9.1-2+deb9u2	fixed
	buster (security), buster, buster (lts)	2.9.3-1+deb10u2	fixed
	bullseye	2.9.3-3+deb11u2	fixed
	bullseye (security)	2.9.3-3+deb11u1	fixed
	bookworm	2.9.7-1	fixed
	sid, trixie	2.9.8-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
libapache-mod-security	source	squeeze	2.5.12-1+squeeze1	DSA-2506-1
libapache-mod-security	source	(unstable)	(unfixed)		678529
modsecurity-apache	source	(unstable)	2.6.6-1		678527

https://www.openwall.com/lists/oss-security/2012/06/22/1
https://www.openwall.com/lists/oss-security/2012/06/22/2