Advisory Details

March 21st, 2017

Microsoft Windows JavaScript Proxy Setter Type Confusion Remote Code Execution Vulnerability

ZDI-17-170
ZDI-CAN-4271

CVE ID CVE-2017-0094
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['26885']. 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 Windows. 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 processing of script that sets a property on a JavaScript object that is intercepted by a Proxy object. By performing actions in JavaScript an attacker can trigger a type confusion condition. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.
ADDITIONAL DETAILS
DISCLOSURE TIMELINE
  • 2016-12-01 - Vulnerability reported to vendor
  • 2017-03-21 - Coordinated public release of advisory
CREDIT bee13oy of CloverSec Labs
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