CVE-2012-3440

Name	CVE-2012-3440
Description	A certain Red Hat script for sudo 1.7.2 on Red Hat Enterprise Linux (RHEL) 5 allows local users to overwrite arbitrary files via a symlink attack on the /var/tmp/nsswitch.conf.bak temporary file.
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
sudo (PTS)	buster	1.8.27-1+deb10u3	fixed
	buster (security)	1.8.27-1+deb10u5	fixed
	bullseye (security), bullseye	1.9.5p2-3+deb11u1	fixed
	bookworm, sid	1.9.13p3-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
sudo	source	(unstable)	(not affected)

- sudo <not-affected> (Red Hat-specific postinst script)