CVE-2019-1031 Explained : Impact and Mitigation
Learn about CVE-2019-1031, a cross-site-scripting (XSS) vulnerability in Microsoft SharePoint Server versions 2010 SP2, 2013 SP1, 2016, and 2019, potentially leading to spoofing attacks. Find mitigation steps and prevention measures.
A cross-site-scripting (XSS) vulnerability in Microsoft SharePoint Server that allows specially crafted web requests to impact the server.
Understanding CVE-2019-1031
What is CVE-2019-1031?
This vulnerability, known as 'Microsoft Office SharePoint XSS Vulnerability,' affects Microsoft SharePoint Server versions 2010 Service Pack 2, 2013 Service Pack 1, 2016, and 2019.
The Impact of CVE-2019-1031
The presence of this XSS vulnerability can lead to potential spoofing attacks on affected SharePoint servers.
Technical Details of CVE-2019-1031
Vulnerability Description
The vulnerability arises from Microsoft SharePoint Server's failure to properly sanitize specific web requests, allowing XSS attacks.
Affected Systems and Versions
- Microsoft SharePoint Foundation 2010 Service Pack 2
- Microsoft SharePoint Foundation 2013 Service Pack 1
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malicious web requests to the affected SharePoint servers, potentially leading to spoofing attacks.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates provided by Microsoft promptly.
- Implement web application firewalls to filter and block malicious requests.
- Regularly monitor and audit web traffic for suspicious activities.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing on SharePoint servers.
- Educate users on safe web browsing practices and recognizing phishing attempts.
Patching and Updates
- Stay informed about security advisories and updates from Microsoft.