National Cyber-Alert System
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):
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
- 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=235811
External Source: MISC
Name: https://bugs.gentoo.org/show_bug.cgi?id=235770
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
External Source: MISC
Name: http://bugs.debian.org/496401