Advisory Details

September 16th, 2014

Microsoft Internet Explorer CAttrArray Use-After-Free Remote Code Execution Vulnerability

ZDI-14-306
ZDI-CAN-2276

CVE ID CVE-2014-4065
CVSS SCORE 6.8, (AV:N/AC:M/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 13884. 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 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 handling of CAttrArray objects. By manipulating a document's elements an attacker can force a dangling pointer to be reused after it has been freed. 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/library/security/MS14-052
DISCLOSURE TIMELINE
  • 2014-04-16 - Vulnerability reported to vendor
  • 2014-09-16 - Coordinated public release of advisory
CREDIT AbdulAziz Hariri - HP Zero Day Initiative
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