Advisory Details

August 1st, 2017

Microsoft Windows JavaScript super Keyword Uninitialized Memory Remote Code Execution Vulnerability

CVE ID	CVE-2017-8598
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
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 handling of the super keyword in JavaScript. By performing actions in script an attacker can trigger access to memory prior to initialization. An attacker can leverage this vulnerability to execute arbitrary 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://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8598
DISCLOSURE TIMELINE	2017-05-04 - Vulnerability reported to vendor 2017-08-01 - Coordinated public release of advisory
CREDIT	bee13oy of CloverSec Labs

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