CVE-2020-0767: ChakraCore RCE Vulnerability in Microsoft.ChakraCore
Summary
CVE-2020-0767: ChakraCore RCE Vulnerability. Affects Microsoft.ChakraCore versions < 1.11.16. Fixed in 1.11.16. How to fix ↓
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Background
Microsoft.ChakraCore is a scripting engine used by various applications to execute JavaScript code. It provides support for running JavaScript in web browsers, Node.js, and other platforms. The ChakraCore scripting engine, which is a part of Microsoft.ChakraCore, is vulnerable to a remote code execution (RCE) vulnerability. This vulnerability, also known as 'Scripting Engine Memory Corruption Vulnerability' (CVE-2020-0767), allows an attacker to execute arbitrary code on a target system by exploiting the way ChakraCore handles objects in memory.
Vulnerability Detail
The ChakraCore RCE vulnerability (CVE-2020-0767) arises from a memory corruption issue in the ChakraCore scripting engine. By manipulating objects in memory, an attacker can trigger the vulnerability and execute malicious code remotely. This can lead to various consequences, including unauthorized access, data theft, system compromise, and potential further exploitation of the affected system. The severity of this vulnerability is rated as HIGH with a CVSS score of 7.5.
How To Fix
Latest published version: 1.11.24 as of 22 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.11.16
This is the first release that contains the fix.
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Workaround
There is no specific workaround provided for this vulnerability. However, it is crucial to update the Microsoft.ChakraCore package to the latest version as soon as possible to mitigate the risk of exploitation.
Conclusion
The ChakraCore RCE vulnerability (CVE-2020-0767) in the Microsoft.ChakraCore package poses a significant risk to systems utilizing the ChakraCore scripting engine. It is crucial to update the package to the latest version (1.11.16 or later) to mitigate the vulnerability. Failure to address this vulnerability may result in unauthorized code execution and potential compromise of the affected system. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The ChakraCore RCE vulnerability allows an attacker to execute arbitrary code on a target system, potentially leading to unauthorized access, data theft, and system compromise.
The vulnerability affects versions of Microsoft.ChakraCore prior to version 1.11.16.
At the time of this advisory, there is no known public exploit available for this vulnerability.
Updating the Microsoft.ChakraCore package to the latest version is the recommended mitigation. If updating is not feasible, it is advised to implement additional security measures, such as network segmentation and access controls, to minimize the risk of exploitation.
For more information about the ChakraCore RCE vulnerability (CVE-2020-0767), you can refer to the official GitHub advisory: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-fhc8-h6hr-h9mq/GHSA-fhc8-h6hr-h9mq.json
References
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