TippingPoint Zero Day Initiative
 

Microsoft Edge JavaScript Parsing Uninitialized Pointer Remote Code Execution Vulnerability

ZDI-17-173: March 21st, 2017

CVE ID

CVSS Score

Affected Vendors

Affected Products

    Edge

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Edge. 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 parsing of JavaScript. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.

Vendor Response

Microsoft has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2017-02-01 - Vulnerability reported to vendor
    2017-03-21 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    bee13oy of CloverSec Labs