CVE-2020-1458 : Security Advisory and Response
Discover the CVE-2020-1458 impact on Microsoft Office, a critical remote code execution flaw. Learn about affected systems, exploitation, and mitigation steps.
Microsoft Office Remote Code Execution Vulnerability
Understanding CVE-2020-1458
A remote code execution vulnerability in Microsoft Office that arises from improper input validation.
What is CVE-2020-1458?
- It is a flaw in Microsoft Office's validation of input before loading DLL files.
The Impact of CVE-2020-1458
- Attackers can exploit this vulnerability to execute arbitrary code remotely.
Technical Details of CVE-2020-1458
A security researcher identified a remote code execution vulnerability in Microsoft Office due to improper validation of input when loading dynamic link library (DLL) files.
Vulnerability Description
- Remote code execution vulnerability in Microsoft Office's DLL file validation process.
Affected Systems and Versions
- Microsoft 365 Apps for Enterprise for 32-bit Systems (unspecified version)
- Microsoft 365 Apps for Enterprise for 64-bit Systems (unspecified version)
Exploitation Mechanism
- Exploitation involves providing malicious input to Microsoft Office, tricking it into loading specially crafted DLL files that execute arbitrary code.
Mitigation and Prevention
Steps to address and prevent the CVE-2020-1458 vulnerability:
Immediate Steps to Take
- Apply the latest security updates from Microsoft.
- Implement security best practices for email and web browsing.
Long-Term Security Practices
- Regularly update Microsoft Office and other software to the latest versions.
- Conduct security training for employees to recognize and avoid phishing and social engineering attacks.
- Use antivirus software and keep it updated to detect and block malicious files.
Patching and Updates
- Regularly monitor Microsoft's security advisories and apply patches promptly.