National Cyber-Alert System
Vulnerability Summary for CVE-2005-2475
Original release date:08/05/2005
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
Race condition in Unzip 5.52 allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by Unzip after the decompression is complete.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
1.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information
- Official Statement from Red Hat (09/05/2007)
-
Red Hat is aware of this issue and is tracking it via the following bug:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=164927
The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here:
http://www.redhat.com/security/updates/classification/
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
The risks associated with fixing this bug are greater than the low severity security risk. We therefore currently have no plans to fix this flaw in Red Hat Enterprise Linux 2.1 which is in maintenance mode.
References to Advisories, Solutions, and Tools
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External Source: UBUNTU
Name: USN-191-1
External Source: TRUSTIX
Name: 2005-0053
External Source: BID
Name: 14450
External Source: REDHAT
Name: RHSA-2007:0203
External Source: OSVDB
Name: 18530
External Source: MANDRIVA
Name: MDKSA-2005:197
External Source: DEBIAN
Name: DSA-903
External Source: SREASON
Name: 32
External Source: SECUNIA
Name: 25098
External Source: SECUNIA
Name: 17653
External Source: SECUNIA
Name: 17342
External Source: SECUNIA
Name: 17045
External Source: SECUNIA
Name: 17006
External Source: SECUNIA
Name: 16985
External Source: SECUNIA
Name: 16309
External Source: BUGTRAQ
Name: 20050801 unzip TOCTOU file-permissions vulnerability
External Source: MANDRIVA
Name: MDKSA-2005:197
External Source: SCO
Name: SCOSA-2005.39