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ShixxNote Remote Buffer Overflow
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SUMMARY
" <http://www.shixxnote.com> ShixxNOTE 6.net is a personal organizer,
desktop sticky notes (post-it) program, instant messaging application (LAN
messanger) and a communications tool used across a local network
(Intranet), Internet and via email. Perfect and ideal tool for your LAN or
office communication."
Due to a buffer overflow in the handling of messages received by
ShixxNote, arbitrary code execution is possible.
DETAILS
Vulnerable Systems:
* ShixxNote version 6.NET, revision 117
The buffer overflow vulnerability is caused by improper bounds checking
when messages are received, in the field used to specify which font to use
in the message. If this specific field is bigger than 1698 bytes the
return address will be fully overwritten.
A proof of concept code can be found at
<http://aluigi.altervista.org/poc/shixxbof.zip>
http://aluigi.altervista.org/poc/shixxbof.zip.
ADDITIONAL INFORMATION
The information has been provided by <mailto:aluigi@autistici.org> Luigi
Auriemma.
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