National Cyber-Alert System
Vulnerability Summary for CVE-2005-0194
Original release date:05/02/2005
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#260421
Name: VU#260421
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-empty_acls.patch
Type: Patch Information
External Source: CONFIRM
Name: http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-empty_acls
Type: Patch Information
External Source: DEBIAN
Name: DSA-667
Type: Advisory; Patch Information
External Source: BUGTRAQ
Name: 20050221 [USN-84-1] Squid vulnerabilities
Type: Advisory; Patch Information
External Source: CONECTIVA
Name: CLA-2005:923
Type: Patch Information
External Source: CONFIRM
Name: http://www.squid-cache.org/bugs/show_bug.cgi?id=1166
Type: Advisory
External Source: FEDORA
Name: FLSA-2006:152809
