Published: 15/02/2018 Updated: 24/08/2020

CVSS v2 Base Score: 7.6 | Impact Score: 10 | Exploitability Score: 4.9

CVSS v3 Base Score: 7.5 | Impact Score: 5.9 | Exploitability Score: 1.6

VMScore: 765

Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C

Microsoft Edge and ChakraCore in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0838, CVE-2018-0840, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

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microsoft chakracore -
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/* LdThis instructions' value type is assumed to be "Object" Since "this" can be other objects like an array, it has to be assumed to be "LikelyObject", otherwise, operations to "this" will not be checked properly PoC: */ function opt(arr) { arr[0] = 11; this[0] = {}; arr[0] = 23023e-320; } function main() { let arr = [11]; ...

Microsoft Edge Chakra JIT suffers from an LdThis type confusion vulnerability ...

CWE-787 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0837 http://www.securitytracker.com/id/1040372 http://www.securityfocus.com/bid/102876 https://www.exploit-db.com/exploits/44081/https://nvd.nist.gov https://www.exploit-db.com/exploits/44081/

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CVE-2018-0837

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