Advisory Details

May 10th, 2013

Microsoft Internet Explorer RDP ActiveX Control Remote Code Execution Vulnerability

ZDI-13-065
ZDI-CAN-1675

CVE ID CVE-2013-1296
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Internet Explorer
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:
http://technet.microsoft.com/en-us/security/bulletin/ms13-029
DISCLOSURE TIMELINE
  • 2012-11-21 - Vulnerability reported to vendor
  • 2013-05-10 - Coordinated public release of advisory
CREDIT c1d2d9acc746ae45eeb477b97fa74688
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