CVE-2019-11031 Explained : Impact and Mitigation
Learn about CVE-2019-11031 affecting Mirasys VMS versions prior to V7.6.1 and 8.x before V8.3.2. Attackers can upload and execute files with SYSTEM privileges, leading to potential system compromise.
IDVRUpdateService2 in Mirasys VMS versions prior to V7.6.1 and 8.x before V8.3.2 mishandles the auto-update feature, allowing attackers to upload and execute files with SYSTEM privileges.
Understanding CVE-2019-11031
This CVE involves a vulnerability in Mirasys VMS versions that could be exploited by attackers to run malicious files with elevated privileges.
What is CVE-2019-11031?
Mirasys VMS versions before V7.6.1 and 8.x before V8.3.2 mishandle the auto-update feature of IDVRUpdateService2 in DVRServer.exe. This flaw enables attackers to upload files using a Setup-Files action and subsequently execute these files with SYSTEM privileges.
The Impact of CVE-2019-11031
The vulnerability allows unauthorized individuals to execute arbitrary files with elevated privileges, potentially leading to system compromise and unauthorized access to sensitive information.
Technical Details of CVE-2019-11031
This section provides detailed technical information about the CVE.
Vulnerability Description
The auto-update feature of IDVRUpdateService2 in DVRServer.exe is mishandled by Mirasys VMS versions prior to V7.6.1 and 8.x before V8.3.2, enabling attackers to upload and execute files with SYSTEM privileges.
Affected Systems and Versions
- Mirasys VMS versions prior to V7.6.1
- Mirasys VMS 8.x versions before V8.3.2
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading files using a Setup-Files action within the affected Mirasys VMS versions and subsequently running these files with SYSTEM privileges.
Mitigation and Prevention
Protect your systems from CVE-2019-11031 with the following measures:
Immediate Steps to Take
- Update Mirasys VMS to version V7.6.1 or V8.3.2 or later to mitigate the vulnerability.
- Monitor system logs for any suspicious activities indicating unauthorized file uploads or executions.
Long-Term Security Practices
- Implement strict file upload and execution policies to prevent unauthorized actions.
- Conduct regular security audits and penetration testing to identify and address potential vulnerabilities.
Patching and Updates
- Apply security patches and updates provided by Mirasys to address the vulnerability and enhance system security.