CVE-2020-0823 : Security Advisory and Response
Learn about CVE-2020-0823, a remote code execution flaw in ChakraCore and Microsoft Edge browsers. Understand the impact, affected systems, exploitation risk, and mitigation strategies.
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'.
Understanding CVE-2020-0823
What is CVE-2020-0823?
This CVE is a remote code execution vulnerability in the ChakraCore scripting engine's memory handling mechanism.
The Impact of CVE-2020-0823
This vulnerability can allow attackers to execute arbitrary code remotely, posing a significant security risk to affected systems.
Technical Details of CVE-2020-0823
Vulnerability Description
The vulnerability lies in how ChakraCore processes objects in memory, enabling malicious actors to exploit this flaw for remote code execution.
Affected Systems and Versions
- ChakraCore by Microsoft
- Microsoft Edge browsers on various Windows versions
Exploitation Mechanism
The exploit involves manipulating objects in memory to trigger the remote code execution vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly
- Implement network segmentation to contain potential attacks
- Disable unused features to reduce the attack surface
Long-Term Security Practices
- Regularly update software and apply security patches
- Conduct routine security audits and penetration testing
Patching and Updates
- Stay informed about security updates from Microsoft
- Regularly check for and apply patches to the ChakraCore and Microsoft Edge to mitigate this vulnerability