CVE-2020-1498 : Security Advisory and Response
Discover the impact of CVE-2020-1498, a Microsoft Excel Remote Code Execution Vulnerability allowing arbitrary code execution in user context. Learn about affected systems, exploitation mechanisms, and mitigation steps.
This CVE article discusses a Microsoft Excel Remote Code Execution Vulnerability that was published on August 17, 2020.
Understanding CVE-2020-1498
This section provides insights into the vulnerability and its impact.
What is CVE-2020-1498?
A remote code execution vulnerability exists in Microsoft Excel software, allowing attackers to run arbitrary code in the context of the current user, potentially leading to system takeover.
The Impact of CVE-2020-1498
- Attackers exploiting this vulnerability could gain control of the affected system
- Successful exploitation could enable attackers to install programs, view, change, or delete data, and create new accounts
- Users with administrative rights are at higher risk
Technical Details of CVE-2020-1498
Let's delve into the technical aspects of this vulnerability.
Vulnerability Description
The vulnerability arises from the mishandling of objects in memory by Microsoft Excel software.
Affected Systems and Versions
- Microsoft Office 2019 (32-bit and x64-based Systems) - Version 19.0.0
- Microsoft Office 2019 for Mac - Version 16.0.0
- Microsoft 365 Apps for Enterprise (32-bit and x64-based Systems) - Version 16.0.1
- Microsoft Excel 2016 (32-bit and x64-based Systems) - Version 16.0.0.0
- Microsoft Office 2016 for Mac - Version 16.0.0
- Microsoft Excel 2010 Service Pack 2 (32-bit and x64-based Systems) - Version 13.0.0.0
- Microsoft Excel 2013 Service Pack 1 (ARM64-based, 32-bit, and x64-based Systems) - Version 15.0.0.0
Exploitation Mechanism
- Users need to open a specially crafted file with an affected version of Microsoft Excel for exploitation
- Attack scenarios include email attacks or hosting malicious websites
Mitigation and Prevention
To safeguard systems from CVE-2020-1498, the following steps are crucial.
Immediate Steps to Take
- Apply the security update provided by Microsoft to address the vulnerability
Long-Term Security Practices
- Educate users about phishing emails and malicious websites
- Ensure regular software updates and security patches
- Implement least privilege access controls
- Monitor and analyze network traffic for unusual activities
- Consider endpoint protection solutions
Patching and Updates
Regularly check for security updates from Microsoft and apply them promptly to mitigate risks.