CVE-2009-2939

Postfix 2.5.5 - Arbitrary File Write via Symlink Attack in postfix.postinst Script

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Exploit mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/09/18/6
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2011/dsa-2233

Scores

EPSS 0.0050
EPSS Percentile 38.6%

Details

CWE
CWE-59
Status published
Products (1)
postfix/postfix 2.5.5
Published Sep 21, 2009
Tracked Since Feb 18, 2026