Microsoft Internet Explorer ActiveX kill bit settings can be bypassed

ie-activex-killbit-bypass (24379) The risk level is classified as MediumMedium Risk

Description:

Microsoft Internet Explorer could allow a remote attacker to bypass the kill bit settings for ActiveX controls. Kill bits can be set in the system registry and are used to disable the initiation of a COM object in Internet Explorer. A remote attacker could create a malicious Web page containing specially crafted HTML which would cause the kill bit settings for ActiveX controls to be bypassed by Internet Explorer. This vulnerability could be exploited to use a disabled ActiveX control to execute arbitrary code on a victim's system, if the attacker could persuade the victim to visit the malicious Web page.


Consequences:

Bypass Security

Remedy:

Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.

— OR —

Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.

References:

Platforms Affected:

  • Microsoft Internet Explorer 5.01 SP4
  • Microsoft Internet Explorer 5.01 SP2
  • Microsoft Internet Explorer 5.01 SP3
  • Microsoft Internet Explorer 5.5
  • Microsoft Internet Explorer 6.0
  • Microsoft Internet Explorer 6.0 SP1

Reported:

Jan 26, 2006

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