possible format string bug in gnats 4.00 package

"Khan Shirani" <[email protected]> Sat, 26 Jun 2004 03:20:18 +0000 (UTC)
Newsgroups gmane.comp.bug-tracking.gnats.bugs
Message-ID <[email protected]>
dear gnats team, 
a possible vulnerability has been discovered within the gnats package , i have attached the relevant advisory. 
Please respond asap. 
Regards,
Khan Shirani
Zone-H Staff
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=================================================================================================
Zone-h Security Advisory					Date of discovery : 21 june 2004
http://www.zone-h.org						Date of release   : 24 june 2004

Bug found by shirani [at] zone-h [dot] org , <[email protected]>
=================================================================================================

---------------------------------------
Software 	: GNU Gnats 4.00
Bugs        : formats string bug(s)
Risk        : low/medium
Platform	: *nix
---------------------------------------

Description:
============

GNU GNATS is a set of tools for tracking bugs reported by users to a central site. 
It allows problem report management and communication with users via various means. 
GNATS stores all the information about problem reports 
in its databases and provides tools for querying, editing, and maintenance of the databases. 
http://www.gnu.org/software/gnats/


Vulnerability:
==============

A format string bug has been discovered in the Gnats package which 
could *possibly* be exploited to execute arbitrary commands.

vulnerable code:
================
----------------------
gnats-4.0\gnats\misc.c

#ifdef HAVE_SYSLOG_H
	case SYSLOG:
	  syslog (severity, buf);
	  break;
#endif
----------------------

Vendor Notice:
==============

The Gnats team has been notified of the discoveries via  <[email protected]>
No patch is available at this time


Copyright
=========

Contents may not be altered without notification to orignial author
permission is granted to reproduce this advisory on public databases.


[email protected]
and all the zone-h team, http://www.zone-h.org