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VID 22455
Severity 30
Port 8080,3128
Protocol TCP
Class Webproxy
Detailed Description The relevant host is running a version of Squid caching proxy which is older than 2.6.STABLE17. Squid is a freely available Web Proxy server for Linux and Unix distributions. Squid Web Proxy Cache versions 2.x prior to 2.6.STABLE17 are vulnerable to a denial of service vulnerability, caused due to a boundary error within the processing of cache update replies. A remote attacker could exploit this vulnerability to stop the affected application, thereby denying access to legitimate users.

* Note: This check solely relied on the banner of the remote Squid Web Proxy Cache server to assess this vulnerability, so this might be a false positive.

* References:
http://www.squid-cache.org/Advisories/SQUID-2007_2.txt
http://www.securityfocus.com/archive/1/484662/30/0/threaded
http://www.kb.cert.org/vuls/id/232881
http://www.frsirt.com/english/advisories/2007/4066
http://www.securitytracker.com/id?1019036
http://secunia.com/advisories/27910

* Platforms Affected:
Squid Web Proxy Cache versions 2.x prior to 2.6.STABLE17
Linux Any version
Unix Any version
Recommendation Upgrade to the latest version of Squid (2.6.STABLE17 or later), available from the Squid Web site at http://www.squid-cache.org/
Related URL CVE-2007-6239 (CVE)
Related URL 26687 (SecurityFocus)
Related URL (ISS)