IrfanView 4.33 Format PlugIn ECW Decompression Heap Overflow

Application:  IrfanView 4.33 Format PlugIn ECW Decompression Heap Overflow
 
Plateform:   Windows
 
Exploitation:   Remote code execution
 
Secunia Number:   SA49204 
 
{PRL}:   2012-10
 
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
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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
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2012-05-15 - Vulnerability reported to secunia
2012-05-31 - Coordinated public release of advisory
 
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3) Technical details
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The vulnerability is caused due to insufficient validation when decompressing an ECW images
 
and can be exploited to cause a heap-based buffer overflow via a specially crafted file.
 
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4) The Code
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http://protekresearchlab.com/exploits/PRL-2012-10.ecw
http://www.exploit-db.com/sploits/18964.ecw