CVE-2019-1261 Explained : Impact and Mitigation
Learn about CVE-2019-1261, a spoofing vulnerability in Microsoft SharePoint allowing cross-site request forgery. Find out how to mitigate and prevent this security flaw.
Microsoft SharePoint has a security flaw that mishandles authorization requests, leading to a cross-site request forgery vulnerability. This flaw is known as the 'Microsoft SharePoint Spoofing Vulnerability'.
Understanding CVE-2019-1261
A spoofing vulnerability in Microsoft SharePoint allows attackers to exploit authorization request mishandling, resulting in cross-site request forgery.
What is CVE-2019-1261?
- The vulnerability involves the mishandling of authorization requests for applications in Microsoft SharePoint.
- It leads to a cross-site request forgery (CSRF) vulnerability, also known as the 'Microsoft SharePoint Spoofing Vulnerability'.
- Attackers can create a customized page to trigger a cross-site request and exploit the vulnerability.
- This CVE ID is distinct from CVE-2019-1259 and should not be confused with it.
The Impact of CVE-2019-1261
- Allows attackers to create a customized page to trigger a cross-site request, potentially leading to unauthorized actions.
- Exploiting this vulnerability could result in unauthorized access to sensitive information or actions on the SharePoint platform.
Technical Details of CVE-2019-1261
A closer look at the technical aspects of the CVE-2019-1261 vulnerability.
Vulnerability Description
- Spoofing vulnerability in Microsoft SharePoint due to improper handling of authorization requests.
- Results in a cross-site request forgery (CSRF) vulnerability, enabling attackers to exploit the flaw.
Affected Systems and Versions
- Microsoft SharePoint Foundation 2013 Service Pack 1
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
Exploitation Mechanism
- Attackers need to create a specific page to trigger a cross-site request and exploit the vulnerability.
Mitigation and Prevention
Protecting systems from CVE-2019-1261 and enhancing overall security.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Monitor and restrict access to SharePoint to authorized personnel only.
- Educate users on recognizing and avoiding suspicious links or requests.
Long-Term Security Practices
- Regularly update and patch Microsoft SharePoint to address security vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security updates and patches released by Microsoft for SharePoint.