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Application:   IrfanView DJVU Image Processing Heap Overflow
Version:   The vulnerability is confirmed in version 4.33. Other versions may also be affected
Plateform:   Windows
Exploitation:   Remote code execution

Secunia Number:   SA49176

{PRL}:   2012-23

Author:   Francis Provencher (Protek Research Lab's)

Website:   http://www.protekresearchlab.com/

Twitter:   @ProtekResearch

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1) Introduction
2) Timeline
3) Technical details
4) PoC


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1) Introduction
===============
IrfanView is a freeware/shareware image viewer for Microsoft Windows that can view, edit, and convert image files
and play video/audio files. It is noted for its small size, speed, ease of use, and ability to handle a wide variety of graphic
file formats, and has some image creation and painting capabilities. The software was first released in 1996.
IrfanView is free for non-commercial use; commercial use requires paid registration.
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2) Timeline
============

2012-05-15 - Vulnerability reported to secunia
2012-06-22 - Coordinated public release of advisory

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3) Technical details
=================
The vulnerability is caused due to an error when decompressing DjVu images
and can be exploited to cause a heap-based buffer overflow via a specially crafted file.
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4) The Code
=============

http://protekresearchlab.com/exploits/PRL-2012-23.djvu
https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/19385.djvu