[Full-Disclosure] format string vulnerability in Gnats

[Khan Shirani <khan_shirani@xxxxxxxxx>]

Zone-h Security Advisory                                                        
                               Date of discovery : 21 june 2004
Date of release : 24 june 2004                                                  
                                    http://www.zone-h.org

Bug found by Khan Shirani 
<shirani@xxxxxxxxxx> 

---------------------------------------
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 <bug-gnats@xxxxxxx>
No patch is available at this time 

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

shirani@xxxxxxxxxx
and all the zone-h team.
http://www.zone-h.org


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