(Pwn2Own) Microsoft Internet Explorer VML Parsing Remote Code Execution Vulnerabillity

May 29th, 2013
ZDI-13-102 ZDI-CAN-1828

CVE ID

CVE-2013-2551

CVSS Score

7.5 AV:N/AC:L/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 the processing of VML data. The issue lies in the handling of an array when defined as an attribute of a subelement of a shape. An attacker can leverage this vulnerability to execute code under the context of the current process.

Additional Details

Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://technet.microsoft.com/en-us/security/bulletin/ms13-037

Disclosure Timeline

  • 2013-04-26 - Vulnerability reported to vendor
  • 2013-05-29 - Coordinated public release of advisory
  • 2020-04-14 - Advisory Updated

Credit

VUPEN Security [ http://www.vupen.com ]

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