CVE-2008-2936

Severity: medium (CVSS 6.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-08-18 · updated 2026-06-16
Weakness: CWE-264

Description

Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.

Affected products

Postfix: 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5 (+22)

References

http://article.gmane.org/gmane.mail.postfix.announce/110
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html
http://secunia.com/advisories/31469
http://secunia.com/advisories/31474
http://secunia.com/advisories/31477
http://secunia.com/advisories/31485
http://secunia.com/advisories/31500
http://secunia.com/advisories/31530

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