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Category:   Application (Generic)  >   Squid Vendors:   Squid-cache.org
Squid Input Validation Error in Processing WCCP Messages Lets Remote Users Crash Squid
SecurityTracker Alert ID:  1012882
SecurityTracker URL:  http://securitytracker.com/id/1012882
CVE Reference:   CVE-2005-0095   (Links to External Site)
Updated:  Jan 19 2005
Original Entry Date:  Jan 13 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.5
Description:   A denial of service vulnerability was reported in Squid in the processing of WCCP messages. A remote user can cause Squid to crash.

The vendor reported that a remote user can send specially crafted WCCP_I_SEE_YOU packet with the 'number of caches' field set to a value outside of the 1 - 32 range and with a spoofed address. If WCCP is enabled on the target system (which is not the default setting), Squid may crash.

Impact:   A remote user can cause Squid to crash.
Solution:   A patch (squid-2.5.STABLE7-wccp_denial_of_service.patch) is available at:

http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-wccp_denial_of_service.patch

Vendor URL:  www.squid-cache.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 25 2005 (Mandrake Issues Fix) Squid Input Validation Error in Processing WCCP Messages Lets Remote Users Crash Squid
Mandrake has released a fix.



 Source Message Contents



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