CVE-2008-4977

Published: Nov 6, 2008Modified: 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

postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files. NOTE: the vendor disputes this vulnerability, stating "This is not a real issue ... users would have to edit a script under /usr/lib to enable it.

Affected (1)

Products: Postfix: Postfix

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Postfix Postfix	Version 2.5.2

Related CWEs

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 (10)

http://bugs.debian.org/496401

Source: cve@mitre.org

http://dev.gentoo.org/~rbu/security/debiantemp/postfix

Source: cve@mitre.org

Exploit

http://www.openwall.com/lists/oss-security/2008/10/30/2

Source: cve@mitre.org

https://bugs.gentoo.org/show_bug.cgi?id=235770

Source: cve@mitre.org

https://bugs.gentoo.org/show_bug.cgi?id=235811

Source: cve@mitre.org

http://bugs.debian.org/496401

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

http://dev.gentoo.org/~rbu/security/debiantemp/postfix

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

Exploit

http://www.openwall.com/lists/oss-security/2008/10/30/2

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

https://bugs.gentoo.org/show_bug.cgi?id=235770

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

https://bugs.gentoo.org/show_bug.cgi?id=235811

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

Timeline

No history available yet.