OSEC

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DoS in LANChat Pro Revival 1.666c

From: Donato Ferrante (fdonatoautistici.org)
Date: Thu Feb 03 2005 - 09:07:02 CST

                           Donato Ferrante

Application: LANChat Pro Revival
              http://lanchat.republika.pl/

Version: 1.666c

Bug: Denial Of Service

Date: 03-Feb-2005

Author: Donato Ferrante
              e-mail: fdonatoautistici.org
              web: www.autistici.org/fdonato

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1. Description
2. The bug
3. The code
4. The fix

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1. Description:
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Vendor's Description:

"LANChat Pro is a local area network chat program with multicolor,
custom skins and sounds support, WAN operation and file transfer
and many other options."

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2. The bug:
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The program is unable to manage malformed data into udp packet, in fact
it crashes.

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3. The code:
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To test the vulnerability:

http://www.autistici.org/fdonato/poc/LANChatPR[1666c]DoS-poc.zip

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4. The fix:
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No fix.
LANChat Pro Revival is no longer supported.

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