[NEWS] PSOProxy Buffer Overflow

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To: list@securiteam.com
Date: 22 Feb 2004 12:14:43 +0200

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  PSOProxy Buffer Overflow
------------------------------------------------------------------------

SUMMARY

 <http://psoproxy.sourceforge.net/> PSOProxy is a "web server application
designed to work with the Gamecube web browser. Its main purpose is to
allow Phantasy Star Online snapshot files to be copied to a PC and
converted to a common image file format". The server contains a
vulnerability rendering it unable to process a large buffer provided
inside the URL. The vulnerability can be exploited to cause the server to
execute arbitrary code.

DETAILS

Vulnerable Systems:
 * PSOProxy version 0.91

Sample:
To test the vulnerability send to the server a string like:
GET /aaaa[ 942 of a ]aaaa HTTP/1.1

Or:
GET aaaa[ 942 of a ]aaaa HTTP/1.1

Or:
aaaa[ 1035 of a ]aaaa

ADDITIONAL INFORMATION

The information has been provided by <mailto:fdonato@autistici.org>
Donato Ferrante.

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