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Category:   Application (Generic)  >   Squid Vendors:   Squid-cache.org
Squid May Disclose Random Internal Information to Remote Users
SecurityTracker Alert ID:  1012466
SecurityTracker URL:  http://securitytracker.com/id/1012466
CVE Reference:   CVE-2004-2479   (Links to External Site)
Updated:  Sep 15 2005
Original Entry Date:  Dec 9 2004
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 2.5
Description:   A vulnerability was reported in Squid. A remote user may be able to obtain random internal information from the target server.

Artur Szostak reported that a remote user can submit a sequence of malformed hostnames to trigger failed DNS lookups to cause the target Squid server to return random data as error messages. The random data may contain data from other requests.

A demonstration exploit request is provided:

http://./.gz/

Impact:   A remote user may be able to obtain random internal information from the target server.
Solution:   A patch is available at:

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

Red Hat has issued a fix for Red Hat Enterprise Linux 2.1, 3, and 4:

https://rhn.redhat.com/errata/RHSA-2005-766.html

Vendor URL:  www.squid-cache.org/bugs/show_bug.cgi?id=1143 (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 15 2005 (Red Hat Issues Fix) Squid May Disclose Random Internal Information to Remote Users
Red Hat has released a fix.



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