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Last updated: 4/16/2014

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Vulnerability Summary for CVE-2008-4977

Original release date: 11/06/2008
Last revised: 11/06/2008
Source: US-CERT/NIST

Overview

** DISPUTED ** 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."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 (HIGH) (AV:L/AC:M/AU:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (11/06/2008)
Not vulnerable. This issue did not affect the versions of postfix as shipped with Red Hat Enterprise Linux 3, 4, or 5. Mentioned script is not part of the official postfix distribution and is not included in Red Hat Enterprise Linux postfix packages.

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: https://bugs.gentoo.org/show_bug.cgi?id=235770
External Source: MISC
Name: https://bugs.gentoo.org/show_bug.cgi?id=235811
External Source: MISC
Name: http://bugs.debian.org/496401
External Source: MLIST
Name: [oss-security] 20081030 CVE requests: tempfile issues for aview, mgetty, openoffice, crossfire
External Source: MISC
Name: http://dev.gentoo.org/~rbu/security/debiantemp/postfix

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