Advisory Details

May 10th, 2016

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

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
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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