Microsoft Internet Explorer textContent Heap Buffer Overflow Remote Code Execution VulnerabilityZDI-14-185: June 11th, 2014
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 the textContent element property. The issue lies in the failure to properly calculate the length of the buffer during a call to memcpy. An attacker can leverage this vulnerability to execute code under the context of the current process.
Vendor ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2014-03-07 - Vulnerability reported to vendor
2014-06-11 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Stephen Fewer of Harmony Security (www.harmonysecurity.com)