CVE-2020-0813 : Security Advisory and Response
Learn about CVE-2020-0813, an information disclosure vulnerability in ChakraCore and Microsoft Edge, potentially compromising user data. Find mitigation steps and the security update provided by Microsoft.
An information disclosure vulnerability in ChakraCore and Microsoft Edge (EdgeHTML-based) on various Windows versions
Understanding CVE-2020-0813
What is CVE-2020-0813?
An information disclosure vulnerability in ChakraCore and Microsoft Edge (EdgeHTML-based) can lead to the disclosure of memory contents, potentially allowing attackers to compromise user data.
The Impact of CVE-2020-0813
The vulnerability can be exploited by attackers with knowledge of memory addresses, leading to potential compromise of user systems and data.
Technical Details of CVE-2020-0813
Vulnerability Description
The vulnerability in ChakraCore and Microsoft Edge improperly discloses memory contents, enabling attackers to further compromise systems. The update mitigates this by changing how certain functions handle memory objects.
Affected Systems and Versions
- ChakraCore
- Microsoft Edge (EdgeHTML-based) on various Windows versions
Exploitation Mechanism
Attackers need to know the memory address where the object was created to exploit the vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Apply the security update provided by Microsoft promptly.
- Regularly monitor for any suspicious activities on the affected systems.
- Educate users on safe browsing habits and avoiding potentially malicious websites.
Long-Term Security Practices
- Keep all software and systems updated to prevent vulnerabilities.
- Implement robust cybersecurity measures, including network firewalls and intrusion detection systems.
Patching and Updates
Microsoft has released an update addressing this vulnerability. Ensure all affected systems are promptly patched to mitigate the risk.