National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2008-4977 Detail

Description

** 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."

Source:  MITRE
Description Last Modified:  11/06/2008

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.9 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
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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Hyperlink Resource
http://bugs.debian.org/496401
http://dev.gentoo.org/~rbu/security/debiantemp/postfix Exploit
http://www.openwall.com/lists/oss-security/2008/10/30/2
https://bugs.gentoo.org/show_bug.cgi?id=235770
https://bugs.gentoo.org/show_bug.cgi?id=235811

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2008-4977
NVD Published Date:
11/06/2008
NVD Last Modified:
11/06/2008