[Full-disclosure] [PLSA 2008-31] Tiff: Denial of Service



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Pardus Linux Security Advisory 2008-31 security@xxxxxxxxxxxxx
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Date: 2008-08-27
Severity: 3
Type: Remote
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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

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

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