Advisory Details

August 13th, 2013

Microsoft Internet Explorer selectAll/RemoveFormat execCommand Use-After-Free Remote Code Execution Vulnerability

ZDI-13-196
ZDI-CAN-1858

CVE ID CVE-2013-3193
CVSS SCORE 7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Internet Explorer
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['13104']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of 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 selectAll/RemoveFormat command. The execution of these commands can lead to a use-after-free condition. An attacker can leverage this situation to execute code under the context of the user running the browser.

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/ms13-059
DISCLOSURE TIMELINE
  • 2013-05-13 - Vulnerability reported to vendor
  • 2013-08-13 - Coordinated public release of advisory
CREDIT Jose A. Vazquez of Yenteasy - Security Research -
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