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Last updated: 7/28/2014 10:32:53 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2005-2475

Original release date: 08/05/2005
Last revised: 08/21/2010
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):
CVSS v2 Base Score: 1.2 (LOW) (AV:L/AC:H/Au:N/C:P/I:N/A:N) (legend)
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

Vendor Statements (disclaimer)

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: BUGTRAQ
Name: 20050801 unzip TOCTOU file-permissions vulnerability
External Source: BID
Name: 14450
External Source: UBUNTU
Name: USN-191-1
External Source: SREASON
Name: 32
External Source: SECUNIA
Name: 16309
External Source: DEBIAN
Name: DSA-903
External Source: OVAL
Name: oval:org.mitre.oval:def:9975
External Source: SCO
Name: SCOSA-2005.39
External Source: SECUNIA
Name: 17653
External Source: SECUNIA
Name: 17045
External Source: SECUNIA
Name: 17342
External Source: SECUNIA
Name: 17006
External Source: SECUNIA
Name: 16985
External Source: TRUSTIX
Name: 2005-0053
External Source: MANDRIVA
Name: MDKSA-2005:197
External Source: SECUNIA
Name: 25098
External Source: REDHAT
Name: RHSA-2007:0203
External Source: OSVDB
Name: 18530

References to Check Content

Identifier: oval:org.mitre.oval:def:9975
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

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