National Cyber-Alert System
Vulnerability Summary for CVE-2005-2991
Original release date:09/20/2005
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
- Official Statement from Red Hat (08/30/2006)
-
Not vulnerable. This issue did not affect the ncompress packages as distributed with Red Hat Enterprise Linux 2.1, 3, or 4.
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: http://www.zataz.net/adviso/ncompress-09052005.txt
Type: Advisory
External Source: FULLDISC
Name: 20050916 ncompress insecure temporary file creation
Type: Advisory
External Source: BUGTRAQ
Name: 20050916 ncompress insecure temporary file creation
External Source: SREASON
Name: 12
