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Category:   Application (Web Server/CGI)  >   Squid Vendors:   Squid-cache.org
Squid Request and Response Processing Bugs Let Remote Users Deny Service
SecurityTracker Alert ID:  1022607
SecurityTracker URL:  http://securitytracker.com/id/1022607
CVE Reference:   CVE-2009-2621, CVE-2009-2622   (Links to External Site)
Updated:  Aug 14 2009
Original Entry Date:  Jul 28 2009
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0 - 3.0.STABLE16, 3.1 - 3.1.0.11
Description:   SeveraA vulnerabilities were reported in Squid. A remote user can cause denial of service conditions.

A remote user can send specially crafted requests or responses to cause the target service to crash.

The vulnerabilities are due to incorrect buffer size limits, incorrect bounds checking, and incorrect data validation.

Rob Middleton of Centenary Institute, Tuomo Untinen, Ossi Herrala, and Jukka Taimisto from the CROSS project at Codenomicon Ltd., and Alex Montoanelli of www.unetvale.net reported these vulnerabilities.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a fix (3.0.STABLE17, 3.1.0.12).

The following patches are also available.

Squid 3.0:
http://www.squid-cache.org/Versions/v3/3.0/changesets/b9070.patch
http://www.squid-cache.org/Versions/v3/3.0/changesets/b9074.patch
http://www.squid-cache.org/Versions/v3/3.0/changesets/b9075.patch

Squid 3.1:
http://www.squid-cache.org/Versions/v3/3.1/changesets/b9654.patch
http://www.squid-cache.org/Versions/v3/3.1/changesets/b9661.patch

The vendor's advisory is available at:

http://www.squid-cache.org/Advisories/SQUID-2009_2.txt

Vendor URL:  www.squid-cache.org/Advisories/SQUID-2009_2.txt (Links to External Site)
Cause:   Boundary error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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