CVE-2019-0658 : Security Advisory and Response
Learn about CVE-2019-0658, an information disclosure vulnerability in Microsoft Edge's scripting engine. Find out the impacted systems, exploitation risks, and mitigation steps.
A vulnerability has been identified in Microsoft Edge's scripting engine, leading to an information disclosure issue. This CVE is distinct from others and is known as 'Scripting Engine Information Disclosure Vulnerability'.
Understanding CVE-2019-0658
What is CVE-2019-0658?
This CVE refers to an information disclosure vulnerability in Microsoft Edge's scripting engine, specifically related to how it manages objects in memory.
The Impact of CVE-2019-0658
The vulnerability could allow an attacker to access sensitive information through the scripting engine, potentially leading to data leaks and privacy breaches.
Technical Details of CVE-2019-0658
Vulnerability Description
The vulnerability arises from improper handling of objects in memory within Microsoft Edge's scripting engine, posing a risk of information disclosure.
Affected Systems and Versions
- Microsoft Edge on various Windows versions: 1703, 1709, 1803, 1809, Windows Server 2019
- ChakraCore (unspecified version)
Exploitation Mechanism
Attackers could exploit this vulnerability by crafting a malicious script or webpage to trigger the flawed memory handling, leading to information disclosure.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly
- Consider using alternative browsers until the patch is applied
Long-Term Security Practices
- Regularly update software and browsers to the latest versions
- Implement robust security measures to prevent and detect information disclosure vulnerabilities
Patching and Updates
Microsoft has released patches addressing this vulnerability. Ensure all affected systems are updated with the latest security fixes.