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Pardus: 2010-96: Libpng: Denial of Service Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Two vulnerabilities have been fixed in libpng, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.
------------------------------------------------------------------------
Pardus Linux Security Advisory 2010-96            security@pardus.org.tr
------------------------------------------------------------------------
      Date: 2010-07-08
  Severity: 3
      Type: Local
------------------------------------------------------------------------

Summary
======
Two vulnerabilities have been fixed in libpng, which can be exploited by
malicious people to cause a DoS (Denial  of  Service)  and  potentially
compromise an application using the library.


Description
==========
CVE-2010-1205

Buffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x  before
1.4.3, as used in progressive applications, might allow remote attackers
to execute arbitrary code via a PNG image that triggers  an  additional
data row.



CVE-2010-2249:

Memory leak in pngrutil.c in libpng before  1.2.44,  and  1.4.x  before
1.4.3, allows remote attackers to cause a  denial  of  service  (memory
consumption and application crash) via a PNG image containing malformed
Physical Scale (aka sCAL) chunks.


Affected packages:

  Pardus 2009:
    libpng, all before 1.2.44-22-7


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

    pisi up libpng

References
=========
  * http://bugs.pardus.org.tr/show_bug.cgi?id638

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