TITLE:
Cerbere Proxy Server "Host:" Header Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA12422

VERIFY ADVISORY:
http://secunia.com/advisories/12422/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Cerbere Proxy Server 1.x
http://secunia.com/product/3858/

DESCRIPTION:
Ziv Kamir has reported a vulnerability in Cerbere Proxy Server, which
can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error within the processing of
"Host:" headers. This can be exploited to consume a large amount of
CPU resources by sending a HTTP request with an overly long string in
the "Host:" header (about 90000 bytes) to the proxy server.

The vulnerability has been reported in version 1.2. Other versions
may also be affected.

SOLUTION:
Use another product.

PROVIDED AND/OR DISCOVERED BY:
Ziv Kamir

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