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TITLE:
IrfanView Palette File Importing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA26619

VERIFY ADVISORY:
http://secunia.com/advisories/26619/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
IrfanView 4.x
http://secunia.com/product/14192/
IrfanView 3.x
http://secunia.com/product/2532/

DESCRIPTION:
Secunia Research has discovered a vulnerability in IrfanView, which
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when importing
palette (*.pal) files. This can be exploited to cause a stack-based
buffer overflow by tricking a user into importing a specially crafted
palette (*.pal) file.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 4.00. Other versions may
also be affected.

SOLUTION:
Update to version 4.10.
http://www.irfanview.com/main_download_engl.htm

PROVIDED AND/OR DISCOVERED BY:
Stefan Cornelius, Secunia Research.

ORIGINAL ADVISORY:
Secunia:
http://secunia.com/secunia_research/2007-71/

IrfanView:
http://www.irfanview.com/main_history.htm

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About:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


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