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List: bugtraq
Subject: Re: sendmail 8.12.9 available
From: Dan Harkless <bugtraq () harkless ! org>
Date: 2003-03-29 20:55:54
[Download RAW message or body]
Claus Assmann <ca+announce@sendmail.org> writes:
> We apologize for releasing this information today (2003-03-29) but
> we were forced to do so by an e-mail on a public mailing list (that
> has been sent by an irresponsible individual) which contains
> information about the security flaw.
[...]
> SECURITY: Fix a buffer overflow in address parsing due to
> a char to int conversion problem which is potentially
> remotely exploitable. Problem found by Michal Zalewski.
> Note: an MTA that is not patched might be vulnerable to
> data that it receives from untrusted sources, which
> includes DNS.
Since this was publically disclosed before a patch was available, I'm sure a
lot of people would be interested in knowing whether attempts to exploit
this are detectable in the syslog in sendmail's default configuration.
--
Dan Harkless
bugtraq@harkless.org
http://harkless.org/dan/
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