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Category:   Application (Web Server/CGI)  >   Squid Vendors:   Squid-cache.org
Squid Can Be Crashed By Remote Users With Specially Crafted Authentication Headers
SecurityTracker Alert ID:  1014920
SecurityTracker URL:  http://securitytracker.com/id/1014920
CVE Reference:   CVE-2005-2917   (Links to External Site)
Updated:  Mar 7 2006
Original Entry Date:  Sep 16 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.5
Description:   A vulnerability was reported in Squid in the processing of authentication requests. A remote user can cause Squid to crash.

A remote user can supply an HTTP request with a specially crafted scheme in the authentication header to cause Squid to crash.

Mike Diggins reported this vulnerability.

Impact:   A remote user can cause the Squid process to crash.
Solution:   The vendor has issued a patch, available at:

http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE10-NTLM-scheme_assert.patch

A patch is also available for 3.0.

The vendor's bug report is available at:

http://www.squid-cache.org/bugs/show_bug.cgi?id=1391

Vendor URL:  www.squid-cache.org/bugs/show_bug.cgi?id=1391 (Links to External Site)
Cause:   Exception handling error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 7 2006 (Red Hat Issues Fix) Squid Can Be Crashed By Remote Users With Specially Crafted Authentication Headers
Red Hat has released a fix for Red Hat Enterprise Linux 4.
Mar 15 2006 (Red Hat Issues Fix) Squid Can Be Crashed By Remote Users With Specially Crafted Authentication Headers
Red Hat has released a fix for Red Hat Enterprise Linux 3.



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