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lanchat1666c.txt

lanchat1666c.txt
Posted Feb 5, 2005
Authored by Donato Ferrante | Site autistici.org

LANChat Pro Revival 1.666c suffers from a denial of service flaw due to a mishandling of malformed UDP packets.

tags | advisory, denial of service, udp
SHA-256 | 76f66f7589c9c61cc5603217be57359f569333d4150f25b8af167f515dde5784

lanchat1666c.txt

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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: fdonato@autistici.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:
----------------

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:
------------

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



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-------------
3. The code:
-------------

To test the vulnerability:

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



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------------
4. The fix:
------------

No fix.
LANChat Pro Revival is no longer supported.



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