ZDI-19-361: Microsoft Chakra Object Reoptimization Type Confusion Remote Code Execution Vulnerability
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 handling of reoptimization of JavaScript objects within JIT code. By performing actions in JavaScript, an attacker can trigger a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Chakra |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-19-361?
The severity of ZDI-19-361 is classified as critical due to the potential for remote code execution.
How do I fix ZDI-19-361?
To fix ZDI-19-361, users should apply the latest security updates provided by Microsoft for Chakra.
Who is affected by ZDI-19-361?
ZDI-19-361 affects all vulnerable installations of Microsoft Chakra, typically in environments using outdated versions.
Is user interaction required to exploit ZDI-19-361?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit ZDI-19-361.
What type of vulnerability is ZDI-19-361?
ZDI-19-361 is a remote code execution vulnerability that allows attackers to execute arbitrary code on vulnerable systems.
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