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Test ID:1.3.6.1.4.1.25623.1.0.101105
Category:Denial of Service
Title:Squid External Auth Header Parser DOS Vulnerabilities
Summary:Check for the version of Squid
Description:

Overview: This host is running Squid and is prone to Denial Of
Service vulnerabilities.

Vulnerability Insight:
The flaw is due to error in 'strListGetItem()' function within
'src/HttpHeaderTools.c'.

Impact:
Successful exploitation could allow remote attackers to cause a denial of service
via a crafted auth header with certain comma delimiters that trigger an infinite
loop of calls to the strcspn function.

Affected Software/OS:
Squid Version 2.7.X

Fix: Upgrade to Squid Version 3.1.4 or later,
For further updates refer, http://www.squid-cache.org/Download/

References:
http://www.squid-cache.org/bugs/show_bug.cgi?id=2704
http://www.openwall.com/lists/oss-security/2009/08/03/3
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2009-2855
http://www.openwall.com/lists/oss-security/2009/07/20/10
http://www.openwall.com/lists/oss-security/2009/08/03/3
http://www.openwall.com/lists/oss-security/2009/08/04/6
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31;filename=diff;att=1;bug=534982
http://www.squid-cache.org/bugs/show_bug.cgi?id=2704
BugTraq ID: 36091
http://www.securityfocus.com/bid/36091
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10592
http://www.securitytracker.com/id?1022757
XForce ISS Database: squid-strlistgetitem-dos(52610)
http://xforce.iss.net/xforce/xfdb/52610
CopyrightCopyright (C) 2009 SecPod

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