IrfanView RLE Image Decompression Buffer Overflow Vulnerability



EKU-ID: 2790 CVE: OSVDB-ID:
Author: Francis Provencher Published: 2012-11-14 Verified: Verified
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Application:  IrfanView RLE Image Decompression Buffer Overflow Vulnerability
Plateform:   Windows
Version:   The vulnerabilities are confirmed in version 4.33. Other versions may also be affected.
Exploitation:   Remote code execution

Secunia Number:   SA49856

{PRL}:   2012-32

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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2012-07-11 - Vulnerability reported to secunia
2012-11-12 - Coordinated public release of advisory

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3) Technical details
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An error when processing RLE compressed images can be exploited to cause
a heap-based buffer overflow via a specially crafted BMP image containing many
"End of Line" markers within a stream.
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4) The Code
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http://protekresearchlab.com/exploits/PRL-2012-32.rle
http://www.exploit-db.com/sploits/PRL-2012-32.rle.tar.gz