Advisory Details

May 10th, 2016

(Pwn2Own) Microsoft Edge JavaScript fill Out-Of-Bounds Access Remote Code Execution Vulnerability

ZDI-16-283
ZDI-CAN-3626

CVE ID CVE-2016-0193
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Edge
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 24034. 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 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 implementation of the JavaScript fill method. By performing certain operations in script, an attacker can cause JavaScript to access outside the bounds of an array. 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/ms16-052.aspx
DISCLOSURE TIMELINE
  • 2016-03-12 - Vulnerability reported to vendor
  • 2016-05-10 - Coordinated public release of advisory
CREDIT Zhen Feng
Wen Xu of KeenLab
Tencent
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