TITLE:
Pound HTTP Request Smuggling Vulnerability

SECUNIA ADVISORY ID:
SA18367

VERIFY ADVISORY:
http://secunia.com/advisories/18367/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
Pound 1.x
http://secunia.com/product/3442/

DESCRIPTION:
A vulnerability has been reported in Pound, which potentially can be
exploited by malicious people to conduct HTTP request smuggling
attacks.

The vulnerability is caused due to an error in the handling of
malformed HTTP requests with both "Transfer-Encoding" and
"Content-Length" headers and may be exploited to cause Pound to
forward malicious HTTP requests in the HTTP body, which will be
processed as a separate HTTP requests by the receiving server.

Successful exploitation allows poisoning of the web proxy cache or
bypass of certain web application firewall protections.

SOLUTION:
Update to version 1.9.4 or later.
http://www.apsis.ch/pound/

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://www.apsis.ch/pound/pound_list/archive/2005/2005-10/1129827166000/index_html?fullMode=1#1129827166000

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