CVE-2020-0961 Explained : Impact and Mitigation
Learn about CVE-2020-0961, a remote code execution vulnerability in Microsoft Office Access Connectivity Engine. Understand the impact, affected systems, and mitigation steps.
A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory, aka 'Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability'.
Understanding CVE-2020-0961
This CVE impacts Microsoft Office and Office 365 ProPlus.
What is CVE-2020-0961?
The vulnerability stems from how the Microsoft Office Access Connectivity Engine manages objects in memory, leading to potential remote code execution.
The Impact of CVE-2020-0961
The vulnerability allows attackers to execute arbitrary code remotely, posing a severe security risk to affected systems.
Technical Details of CVE-2020-0961
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises from inadequate handling of objects in memory by the Microsoft Office Access Connectivity Engine.
Affected Systems and Versions
The following systems and versions are impacted:
- Microsoft Office 2019 for 32-bit editions & 64-bit editions
- Microsoft Office 2016 (32-bit & 64-bit editions)
- Microsoft Office 2010 Service Pack 2 (32-bit & 64-bit editions)
- Microsoft Office 2013 RT Service Pack 1
- Microsoft Office 2013 Service Pack 1 (32-bit & 64-bit editions)
- Office 365 ProPlus on both 32-bit and 64-bit systems
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a specific file and convincing a target user to open it, triggering the execution of malicious code.
Mitigation and Prevention
Protecting systems from CVE-2020-0961 is crucial to prevent exploitation.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Educate users on practicing safe browsing habits and avoiding suspicious email attachments.
- Implement network security measures to detect and block potential threats.
Long-Term Security Practices
- Keep software and applications updated regularly to patch known vulnerabilities.
- Employ intrusion detection and prevention systems to monitor and prevent malicious activities.
Patching and Updates
Regularly check for and apply security updates released by Microsoft to address CVE-2020-0961.