Microsoft Internet Explorer tsuserex.dll COM object denial of service

ie-tsuserex-dos (28444) The risk level is classified as MediumMedium Risk

Description:

Microsoft Internet Explorer is vulnerable to a denial of service, caused by a memory corruption error when the Terminal Services (tsuserex.dll) COM object is instantiated as an ActiveX control. A remote attacker could exploit this vulnerability to cause a victim's browser to crash or possibly execute arbitrary code on the victim's system, if the attacker could persuade the victim to visit a malicious Web page.

*CVSS:

Base Score: 5.6
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 4.8
  Exploitability: Proof-Of-Concept
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of May 1, 2013.

References:

  • XSec Security Advisory XSec-06-06: Windows 2003 (tsuserex.dll) COM Object Instantiation Vulnerability.
  • BID-19570: Microsoft Internet Explorer TSUserEX.DLL ActiveX Control Memory Corruption Vulnerability
  • CVE-2006-4219: The Terminal Services COM object (tsuserex.dll) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by instantiating it as an ActiveX object in Internet Explorer 6.0 SP1 on Microsoft Windows 2003 EE SP1 CN.
  • OSVDB ID: 29351: Microsoft Windows Terminal Services tsuserex.dll COM Object Instantiation

Platforms Affected:

  • Microsoft Internet Explorer 6.0
  • Microsoft Internet Explorer 6.0 SP2
  • Microsoft Internet Explorer 6.0 SP1

Reported:

Aug 18, 2006

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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