Advisory Details

March 19th, 2018

Microsoft Chakra Array.splice Memory Corruption Remote Code Execution Vulnerability

CVE ID	CVE-2017-0228
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Chakra
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Chakra. 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 the Array.splice method. By performing actions in JavaScript an attacker can trigger a memory corruption condition. 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://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0228
DISCLOSURE TIMELINE	2017-07-27 - Vulnerability reported to vendor 2018-03-19 - Coordinated public release of advisory 2018-03-19 - Advisory Updated
CREDIT	01

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