National Cyber-Alert System
Vulnerability Summary for CVE-2009-3826
Original release date:10/28/2009
Last revised:10/29/2009
Source:
US-CERT/NIST
Overview
Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2009-3013
Type: Advisory; Patch Information
External Source: BID
Name: 36800
Type: Patch Information
External Source: XF
Name: squidguard-url-security-bypass(53922)
External Source: CONFIRM
Name: http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091019
Type: Advisory
External Source: BUGTRAQ
Name: 20091026 squidGuard 1.3 & 1.4 : buffer overflow
External Source: OSVDB
Name: 59164
External Source: SECTRACK
Name: 1023079
External Source: SECUNIA
Name: 37107
Type: Advisory
