CVE-2020-0895 : What You Need to Know
Learn about CVE-2020-0895, a critical remote code execution vulnerability in the VBScript engine of Internet Explorer, impacting various Windows systems. Find out how to mitigate the risks and apply necessary patches.
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'Windows VBScript Engine Remote Code Execution Vulnerability'.
Understanding CVE-2020-0895
This CVE identifies a remote code execution vulnerability affecting specific versions of Internet Explorer on various Windows systems.
What is CVE-2020-0895?
The vulnerability stems from how the VBScript engine manages objects in memory, potentially allowing attackers to execute code remotely on affected systems.
The Impact of CVE-2020-0895
The severity of this vulnerability lies in the risk of unauthorized remote code execution, which could lead to system compromise and data breaches, posing a significant threat to affected systems.
Technical Details of CVE-2020-0895
This section provides insights into the specific technical aspects of CVE-2020-0895.
Vulnerability Description
The vulnerability enables attackers to execute malicious code remotely due to a flaw in the VBScript engine's memory object handling.
Affected Systems and Versions
The following products and versions are impacted by CVE-2020-0895:
- Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2 and 64-bit Systems Service Pack 2
- Internet Explorer 11 on various Windows versions including Windows 7, 8.1, 10, server versions, and ARM64-based systems.
Exploitation Mechanism
Attackers leverage the VBScript engine's memory object manipulation to inject and execute malicious code on vulnerable systems.
Mitigation and Prevention
It is essential to take immediate steps to address and mitigate the risks posed by CVE-2020-0895.
Immediate Steps to Take
- Patch affected systems promptly with the latest security updates from Microsoft.
- Implement network segmentation and access controls to limit potential attack surfaces.
- Disable VBScript execution in Internet Explorer to reduce the attack vector.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent known vulnerabilities from being exploited.
- Conduct security assessments and penetration testing to proactively identify and address potential vulnerabilities.
Patching and Updates
- Stay informed about security bulletins and advisories from Microsoft to apply patches as soon as they are released.