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Overview

Vulnerability Score 6.2 6.2
CVE Id CVE-2008-2936
Last Modified 07 Mar 2011 10:09:58
Published 18 Aug 2008 03:41:00
Confidentiality Impact COMPLETE COMPLETE
Integrity Impact COMPLETE COMPLETE
Availability Impact COMPLETE COMPLETE
Access Vector LOCAL
Access Complexity HIGH
Authentication NONE

CVE-2008-2936

Summary

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.

Vulnerable Systems

Application

  • Postfix 2.3.0

  • Postfix 2.3.1

  • Postfix 2.3.10

  • Postfix 2.3.11

  • Postfix 2.3.12

  • Postfix 2.3.13

  • Postfix 2.3.14

  • Postfix 2.3.2

  • Postfix 2.3.3

  • Postfix 2.3.4

  • Postfix 2.3.5

  • Postfix 2.3.6

  • Postfix 2.3.7

  • Postfix 2.3.8

  • Postfix 2.3.9

  • Postfix 2.4.0

  • Postfix 2.4.1

  • Postfix 2.4.2

  • Postfix 2.4.3

  • Postfix 2.4.4

  • Postfix 2.4.5

  • Postfix 2.4.6

  • Postfix 2.4.7

  • Postfix 2.5.0

  • Postfix 2.5.1

  • Postfix 2.5.2

  • Postfix 2.5.3

  • Postfix 2.6.0


References

CERT-VN - VU#938323

BID - 30691

FEDORA - FEDORA-2008-8593

FEDORA - FEDORA-2008-8595

CONFIRM - https://issues.rpath.com/browse/RPL-2689

XF - postfix-symlink-code-execution(44460)

VUPEN - ADV-2008-2385

UBUNTU - USN-636-1

SECTRACK - 1020700

BUGTRAQ - 20080831 PoCfix (PoC for Postfix local root vuln - CVE-2008-2936)

BUGTRAQ - 20080821 rPSA-2008-0259-1 postfix

BUGTRAQ - 20080814 Postfix local privilege escalation via hardlinked symlinks

REDHAT - RHSA-2008:0839

MILW0RM - 6337

MANDRIVA - MDVSA-2008:171

DEBIAN - DSA-1629

CONFIRM - http://wiki.rpath.com/Advisories:rPSA-2008-0259

SREASON - 4160

GENTOO - GLSA-200808-12

SECUNIA - 32231

SECUNIA - 31530

SECUNIA - 31500

SECUNIA - 31485

SECUNIA - 31477

SECUNIA - 31474

SECUNIA - 31469

SUSE - SUSE-SA:2008:040

MLIST - [postfix-announce] 20080814 Postfix local privilege escalation via hardlinked symlinks

CONFIRM - ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.5.4.HISTORY

CONFIRM - ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.4.8.HISTORY

CONFIRM - ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.3.15.HISTORY

CONFIRM - ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY

Related Patches

Novell SUSE 2008:5500 postfix security update for SLE 10 i586


Last Updated: 27 May 2016 10:48:02