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Irfanview Plugins JLS File Decompression Heap Overflow

Summary

IrfanView Formats PlugIn is prone to an overflow condition. The JLS Plugin (jpeg_ls.dll) library fails to properly sanitize user-supplied input resulting in a heap-based buffer overflow. With a specially crafted JLS compressed image file, a context-dependent attacker could potentially execute arbitrary code.

POC file posted at: http://www.reactionpenetrationtesting.co.uk/vuln.jls

  • CVE number: CVE-2012-3585
  • Impact: High
  • Vendor homepage: http://www.ifranview.com/
  • Vendor notified: 16/06/2012
  • Found by: Joseph Sheridan, Director of Reaction Information Security

About ReactionIS

Reaction Information Security is a leading independent pen test consultancy specialising in delivering the highest quality services including network pen testing and web application security testing. As a CESG CHECK Service Provider we are authorised to carry out penetration testing on classified government networks.

Affected Products

Irfanview Plugins version 4.33

Details

IrfanView Formats PlugIn is prone to an overflow condition. The JLS Plugin (jpeg_ls.dll) library fails to properly sanitize user-supplied input resulting in a heap-based buffer overflow. With a specially crafted JLS compressed image file, a context-dependent attacker could potentially execute arbitrary code.

Impact

If a user could be enticed to open a malicious JLS file, the attack could result in remote code execution.

Solution

Upgrade to Irfanview Plugins version 4.34. The following jls dll has been patched: http://www.irfanview.net/plugins/jpeg_ls.zip

Distribution

In addition to posting on the website, a text version of this notice has been posted to the following e-mail and Usenet news recipients.

  • bugtraq () securityfocus com
  • full-disclosure () lists grok org uk

Future updates of this advisory, if any, will be placed on the ReactionIS corporate website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the current page for any updates.

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