Advisory Details

February 10th, 2015

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

ZDI-15-032
ZDI-CAN-2386

CVE ID CVE-2014-6354
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 the handling of CSVGSVGElement 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/ms14-051.aspx
DISCLOSURE TIMELINE
  • 2014-06-18 - Vulnerability reported to vendor
  • 2015-02-10 - Coordinated public release of advisory
CREDIT Omair
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