CVE-2009-2939

Name	CVE-2009-2939
Description	The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
Source	CVE (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 severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
postfix (PTS)	jessie	2.11.3-1+deb8u2	fixed
	stretch	3.1.12-0+deb9u1	fixed
	buster	3.4.7-0+deb10u1	fixed
	bullseye, sid	3.4.7-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
postfix	source	(unstable)	2.6.5-3	low
postfix	source	lenny	2.5.5-1.1+lenny1

[etch] - postfix <no-dsa> (Minor issue)