------------------------------------------------------------------------
Pardus Linux Security Advisory 2008-31            security@pardus.org.tr
------------------------------------------------------------------------
       Date: 2008-08-27
   Severity: 3
       Type: Remote
------------------------------------------------------------------------

Summary
=======

A vulnerability has been reported in LibTIFF, which can be exploited by
malicious people to cause a DoS (Denial of Service) or  to  potentially
compromise a user's system.


Description
===========

The vulnerability is caused due to errors within the "LZWDecode()"  and
"LZWDecodeCompat()"  functions in  libtiff/tif_lzw.c.  These  can   be
exploited to cause a buffer underflow via a specially crafted TIFF file.


Affected packages:

   Pardus 2008:
     tiff, all before 3.8.2-9-3
   Pardus 2007:
     tiff, all before 3.8.2-8-7


Resolution
==========

There are update(s) for tiff. You can update them via Package Manager or
with a single command from console:

   Pardus 2008:
     pisi up tiff

   Pardus 2007:
     pisi up tiff


References
==========

   * http://bugs.pardus.org.tr/show_bug.cgi?id=8050
   * http://security-tracker.debian.net/tracker/CVE-2008-2327
   * http://secunia.com/advisories/31610
   * http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-2327

------------------------------------------------------------------------

-- 
Pınar Yanardağ
Pardus Security Team
http://security.pardus.org.tr