[NEWS] PSOProxy Buffer Overflow

From: SecuriTeam (support_at_securiteam.com)
Date: 02/22/04

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Date: 22 Feb 2004 12:14:43 +0200

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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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