CVE-2019-1091 Explained : Impact and Mitigation
Learn about CVE-2019-1091, a security flaw in Unistore.dll affecting Windows and Windows Server versions. Find out the impact, affected systems, and mitigation steps.
A security issue in Unistore.dll, known as the 'Microsoft unistore.dll Information Disclosure Vulnerability', affects various Windows and Windows Server versions.
Understanding CVE-2019-1091
What is CVE-2019-1091?
This vulnerability arises from incorrect memory object handling in Unistore.dll, leading to potential information disclosure.
The Impact of CVE-2019-1091
The vulnerability allows attackers to potentially access sensitive information stored in memory, posing a risk to data confidentiality.
Technical Details of CVE-2019-1091
Vulnerability Description
Unistore.dll mishandles memory objects, creating an information disclosure risk.
Affected Systems and Versions
- Windows 10 for 32-bit and x64-based Systems (multiple versions)
- Windows Server 2016, 2019, and related Core installations
- Windows 10 Version 1903 for various system architectures
Exploitation Mechanism
Attackers can exploit this vulnerability to access memory contents containing sensitive data.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates provided by Microsoft promptly
- Monitor for any unusual system behavior indicating a potential exploit
Long-Term Security Practices
- Regularly update systems with the latest patches and security updates
- Implement network segmentation and access controls to limit exposure
Patching and Updates
Microsoft has released patches addressing this vulnerability. Ensure all affected systems are updated to the latest security patches.