CVE-2020-1178 : Security Advisory and Response
Learn about CVE-2020-1178, an elevation of privilege vulnerability in Microsoft SharePoint Server. Find out the impacted systems, exploitation method, and steps for mitigation.
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Understanding CVE-2020-1178
What is CVE-2020-1178?
An elevation of privilege vulnerability exists in Microsoft SharePoint Server due to improper sanitization of authentication requests.
The Impact of CVE-2020-1178
This vulnerability could allow an attacker to elevate privileges on the affected SharePoint server.
Technical Details of CVE-2020-1178
Vulnerability Description
The vulnerability arises from a lack of proper sanitization of authentication requests in Microsoft SharePoint Server.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Enterprise Server 2013 Service Pack 1
- Microsoft SharePoint Server 2010 Service Pack 2
- Microsoft SharePoint Server 2019
Exploitation Mechanism
The vulnerability can be exploited by crafting a specially designed authentication request to the targeted SharePoint server.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by Microsoft for SharePoint Server.
- Monitor and restrict access to SharePoint servers to authorized users.
Long-Term Security Practices
- Regularly update and patch SharePoint servers to address security vulnerabilities.
- Conduct security training for users to recognize and report suspicious activities.
- Implement the principle of least privilege to restrict user access rights.
Patching and Updates
Ensure timely installation of security patches and updates released by Microsoft for SharePoint Server.