CVE-2019-0819 : Exploit Details and Defense Strategies
Learn about CVE-2019-0819, an information disclosure vulnerability in Microsoft SQL Server Analysis Services. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability related to the disclosure of information has been identified in Microsoft SQL Server Analysis Services due to inadequate enforcement of metadata permissions.
Understanding CVE-2019-0819
This vulnerability is commonly referred to as the 'Microsoft SQL Server Analysis Services Information Disclosure Vulnerability'.
What is CVE-2019-0819?
An information disclosure vulnerability exists in Microsoft SQL Server Analysis Services when it improperly enforces metadata permissions.
The Impact of CVE-2019-0819
The vulnerability can lead to unauthorized disclosure of sensitive information stored in Microsoft SQL Server Analysis Services.
Technical Details of CVE-2019-0819
Vulnerability Description
The vulnerability arises from the inadequate enforcement of metadata permissions in Microsoft SQL Server Analysis Services.
Affected Systems and Versions
- Microsoft SQL Server 2017 for x64-based Systems (GDR)
- Microsoft SQL Server 2017 for x64-based Systems (CU+GDR)
Exploitation Mechanism
The vulnerability can be exploited by attackers to access and disclose sensitive information stored in the affected SQL Server instances.
Mitigation and Prevention
Immediate Steps to Take
- Apply the necessary security updates provided by Microsoft.
- Review and adjust metadata permissions in SQL Server Analysis Services to ensure proper enforcement.
Long-Term Security Practices
- Regularly monitor and audit permissions and access controls in SQL Server environments.
- Implement the principle of least privilege to restrict access to sensitive data.
Patching and Updates
Ensure that all Microsoft SQL Server instances are updated with the latest security patches to mitigate the risk of information disclosure.