TITLE:
RSA Authentication Agent for Web "Redirect" Buffer Overflow

SECUNIA ADVISORY ID:
SA17281

VERIFY ADVISORY:
http://secunia.com/advisories/17281/

CRITICAL:
Highly critical

IMPACT:
System access, DoS

WHERE:
>From remote

SOFTWARE:
RSA Authentication Agent for Web for IIS 5.x
http://secunia.com/product/4919/

DESCRIPTION:
H.D. Moore has reported a vulnerability in RSA Authentication Agent
for Web for Internet Information Services, which can be exploited by
malicious people to cause a  DoS or potentially to compromise a
vulnerable system.

The vulnerability is caused due to a boundary error in
IISWebAgentIF.dll. This can be exploited to cause a stack-based
buffer overflow via a GET request with an overly long "url" parameter
in the "Redirect" method.

The vulnerability has been reported in version 5.2 and 5.3. Other
versions may also be affected.

NOTE: An exploit for this vulnerability is publicly available.

SOLUTION:
The vendor reportedly has a patch available.

PROVIDED AND/OR DISCOVERED BY:
H.D. Moore

ORIGINAL ADVISORY:
Metasploit Project:
http://www.metasploit.com/projects/Framework/exploits.html#rsa_iiswebagent_redirect

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