Microsoft Infotech Storage System Library (itss.dll) CHM file heap corruption

ms-itssdll-chm-bo (26340) The risk level is classified as HighHigh Risk


The Microsoft Infotech Storage System Library (itss.dll) is vulnerable to a heap corruption. An attacker could exploit this vulnerability to execute arbitrary code on the system, if the attacker could persuade a victim to decompile a malicious CHM file.


Gain Access


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Tue May 09 2006 - 15:27:17 CDT: [Reversemode] Microsoft Infotech Storage library Heap Corruption.
  • Reversemode Advisory 09.05.2006: Microsoft Infotech Storage library Itss.dll Heap Corruption.
  • BID-17926: Microsoft Infotech Storage Library Heap Corruption Vulnerability
  • CVE-2006-2297: Heap-based buffer overflow in Microsoft Infotech Storage System Library (itss.dll) allows user-assisted attackers to execute arbitrary code via a crafted CHM / ITS file that triggers the overflow while decompiling.
  • OSVDB ID: 25501: Microsoft Windows itss.dll CHM Processing Overflow
  • SA20061: Microsoft Windows "itss.dll" Heap Corruption Vulnerability

Platforms Affected:

  • Microsoft Windows 2000
  • Microsoft Windows 2003 Server
  • Microsoft Windows 98
  • Microsoft Windows 98SE
  • Microsoft Windows Me
  • Microsoft Windows NT 4.0
  • Microsoft Windows XP


May 09, 2006

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