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K
zdiBruno Keith (@bkth_)ZDI-20-1413
HistoryDec 09, 2020 - 12:00 a.m.

Microsoft Chakra LinearScan Memory Corruption Remote Code Execution Vulnerability

2020-12-0900:00:00
Bruno Keith (@bkth_)
www.zerodayinitiative.com
21
microsoft chakra
linearscan
memory corruption
remote code execution
vulnerability
user interaction
malicious page
jit compiler
current process
javascript

EPSS

0.003

Percentile

68.3%

This vulnerability allows remote attackers to execute arbitrary code on affected 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 JIT compiler. By performing actions in JavaScript, an attacker can trigger a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process.