CVE-2020-0974 : Exploit Details and Defense Strategies
Learn about CVE-2020-0974, a remote code execution vulnerability impacting Microsoft SharePoint Enterprise Server 2016 and SharePoint Server 2019. Find out about the exploit and mitigation steps.
A remote code execution vulnerability exists in Microsoft SharePoint Enterprise Server 2016 and Microsoft SharePoint Server 2019.
Understanding CVE-2020-0974
What is CVE-2020-0974?
A remote code execution vulnerability in Microsoft SharePoint arises from the lack of source markup validation in application packages.
The Impact of CVE-2020-0974
This vulnerability allows attackers to execute arbitrary code on the affected systems, potentially leading to complete system compromise.
Technical Details of CVE-2020-0974
Vulnerability Description
The vulnerability in Microsoft SharePoint allows remote code execution due to insufficient source markup validation.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious application package with specially crafted source markup.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by Microsoft for SharePoint products.
- Implement strict source markup validation mechanisms in application packages.
Long-Term Security Practices
- Regularly update and patch the SharePoint servers to mitigate known vulnerabilities.
Patching and Updates
Ensure continuous monitoring for security updates and apply them promptly to prevent exploitation.