CVE-2019-0957 : Vulnerability Insights and Analysis
Learn about CVE-2019-0957, a vulnerability in Microsoft SharePoint Server allowing elevation of privilege. Find out affected versions and mitigation steps.
A vulnerability known as elevation of privilege has been identified in Microsoft SharePoint Server, potentially allowing attackers to gain unauthorized access.
Understanding CVE-2019-0957
What is CVE-2019-0957?
The CVE-2019-0957 vulnerability, also referred to as 'Microsoft SharePoint Elevation of Privilege Vulnerability,' arises from inadequate sanitization of specific web requests to affected SharePoint servers.
The Impact of CVE-2019-0957
The vulnerability could lead to an elevation of privilege, enabling attackers to access sensitive information or perform unauthorized actions within the SharePoint environment.
Technical Details of CVE-2019-0957
Vulnerability Description
The flaw in Microsoft SharePoint Server allows specially crafted web requests to bypass proper sanitization, creating a security gap for potential privilege escalation attacks.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malicious web requests to the SharePoint server, leveraging the lack of proper sanitization to elevate their privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates and patches provided by Microsoft for SharePoint Server.
- Monitor network traffic for any suspicious activity that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly review and update security configurations for SharePoint servers.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
Ensure timely installation of security updates and patches released by Microsoft to address the CVE-2019-0957 vulnerability.