CVE-2009-2939

Published: Sep 21, 2009Modified: Apr 23, 2026

6.9

Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability: 3.4 / Impact: 10.0

Source: NVD

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.

Affected (1)

Products: Postfix: Postfix

Postfix

1 product

Postfix

Configuration A

1 vulnerable · 2 platform

Vulnerable Software	Affected Versions
Postfix Postfix	Version 2.5.5

Running on/with	Platform Versions
Debian Debian Linux	Version 6.06
Ubuntu Ubuntu Linux	Version 4.0

Related CWEs

CWE-59

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (4)

http://www.debian.org/security/2011/dsa-2233

Source: cve@mitre.org

http://www.openwall.com/lists/oss-security/2009/09/18/6

Source: cve@mitre.org

Exploit

http://www.debian.org/security/2011/dsa-2233

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2009/09/18/6

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

Timeline

No history available yet.