CVE-2019-0956 Explained : Impact and Mitigation
Learn about CVE-2019-0956, an information disclosure vulnerability in Microsoft SharePoint Server affecting versions 2013 Service Pack 1 and 2016. Find mitigation steps and prevention measures.
A vulnerability in Microsoft SharePoint Server could lead to information disclosure, impacting specific versions of Microsoft SharePoint Foundation and Enterprise Server.
Understanding CVE-2019-0956
This CVE identifies an information disclosure vulnerability in Microsoft SharePoint Server, affecting certain versions of Microsoft SharePoint Foundation and Enterprise Server.
What is CVE-2019-0956?
An information disclosure vulnerability occurs when a specially crafted web request to an affected SharePoint server is not properly sanitized, potentially exposing sensitive information.
The Impact of CVE-2019-0956
The presence of this vulnerability could allow unauthorized access to confidential data stored on the SharePoint server, posing a risk to the confidentiality of information.
Technical Details of CVE-2019-0956
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from inadequate sanitization of specific web requests to SharePoint servers, leading to potential information disclosure.
Affected Systems and Versions
- Microsoft SharePoint Foundation 2013 Service Pack 1
- Microsoft SharePoint Enterprise Server 2016
Exploitation Mechanism
The vulnerability can be exploited by sending a crafted web request to the affected SharePoint server, bypassing proper sanitization measures.
Mitigation and Prevention
Protecting systems from CVE-2019-0956 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Monitor and restrict access to SharePoint servers to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch SharePoint servers to address known vulnerabilities.
- Implement network segmentation to limit exposure of SharePoint servers to potential threats.
Patching and Updates
Regularly check for security updates and patches released by Microsoft for SharePoint servers to mitigate the risk of information disclosure.