CVE-2011-4028

Name	CVE-2011-4028
Description	The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xorg-server (PTS)	buster	2:1.20.4-1+deb10u4	fixed
	buster (security)	2:1.20.4-1+deb10u8	fixed
	bullseye	2:1.20.11-1+deb11u3	fixed
	bullseye (security)	2:1.20.11-1+deb11u5	fixed
	bookworm, sid	2:21.1.7-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
xorg-server	source	squeeze	2:1.7.7-14
xorg-server	source	(unstable)	2:1.11.1.901-2	low

[lenny] - xorg-server <no-dsa> (Minor issue)
http://cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34