CVE-2019-13356 Explained : Impact and Mitigation
Learn about CVE-2019-13356 affecting Total Defense Anti-virus 9.0.0.773. Discover how local attackers can exploit insecure access control, leading to privilege escalation. Find mitigation steps here.
Total Defense Anti-virus 9.0.0.773 insecure access control vulnerability allows local attackers to hijack bdcore.dll, leading to privilege escalation.
Understanding CVE-2019-13356
This CVE involves a security vulnerability in Total Defense Anti-virus 9.0.0.773 that enables local attackers to escalate privileges by exploiting insecure access control.
What is CVE-2019-13356?
The vulnerability in Total Defense Anti-virus 9.0.0.773 allows local attackers to take control of the bdcore.dll file by exploiting insecure access control in a specific directory used by the AMRT service. This manipulation can result in privilege escalation when the AMRT service loads the DLL.
The Impact of CVE-2019-13356
The exploitation of this vulnerability can lead to local privilege escalation, enabling attackers to gain higher levels of access on the affected system.
Technical Details of CVE-2019-13356
Total Defense Anti-virus 9.0.0.773 insecure access control vulnerability technical details.
Vulnerability Description
The vulnerability arises from insecure access control for the directory %PROGRAMDATA%\TotalDefense\Consumer\ISS\9\bd\TDUpdate2, allowing local attackers to hijack bdcore.dll, leading to privilege escalation when the AMRT service loads the DLL.
Affected Systems and Versions
- Total Defense Anti-virus 9.0.0.773
Exploitation Mechanism
- Local attackers exploit the insecure access control in the specified directory to take control of bdcore.dll.
- Privilege escalation occurs when the AMRT service loads the manipulated DLL.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2019-13356 vulnerability.
Immediate Steps to Take
- Apply security patches provided by Total Defense to address the vulnerability.
- Monitor system logs for any suspicious activities related to directory access.
Long-Term Security Practices
- Implement the principle of least privilege to restrict access rights for users and processes.
- Regularly update and patch software to prevent known vulnerabilities.
Patching and Updates
- Ensure that Total Defense Anti-virus is updated to the latest version to mitigate the vulnerability.