TippingPoint Zero Day Initiative

Microsoft Internet Explorer RDP ActiveX Control Remote Code Execution Vulnerability

ZDI-13-065: May 10th, 2013


CVSS Score

Affected Vendors

Affected Products

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within Remote Desktop ActiveX control. By manipulating TransportSettings or AdvancedSettings, an attacker can force a dangling pointer to be reused after it has been freed. An attacker can leverage this to gain code execution in the context of the current user.

Vendor Response

Microsoft has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2012-11-21 - Vulnerability reported to vendor
    2013-05-10 - Coordinated public release of advisory


This vulnerability was discovered by: