Bugtraq mailing list archives

Re: remote crash BitchX 1.0c16


From: ant () NOTATLA DEMON CO UK (Antonomasia)
Date: Wed, 5 Jul 2000 21:21:07 +0100


Colten Edwards <edwards bitchx.dimension6.com>:

There's a small bug in the latest BitchX in which a nasty user can invite
you to a channel with a %s in it...

This is a classic case of printf(variable); where variable contains
formatting chars.

For a crude Perl scanner for these bugs you could try
    http://www.notatla.demon.co.uk/SOFTWARE/SCANNER/argcount.plx
which arose out of discussion on the linux security audit list.

--
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# Antonomasia   ant () notatla demon co uk                      #
# See http://www.notatla.demon.co.uk/                        #
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