CVE-2019-9486 Explained : Impact and Mitigation

STRATO HiDrive Desktop Client 5.0.1.0 for Windows, Telekom MagentaCLOUD, and 1&1 Online Storage versions up to specified versions are affected by a privilege escalation vulnerability.

Understanding CVE-2019-9486

What is CVE-2019-9486?

The vulnerability in STRATO HiDrive Desktop Client allows an attacker to elevate privileges to SYSTEM level by exploiting the HiDriveMaintenanceService service.

The Impact of CVE-2019-9486

The security issue enables attackers to inject and execute malicious code by hijacking insecure communication channels, potentially leading to unauthorized access and control.

Technical Details of CVE-2019-9486

Vulnerability Description

The HiDriveMaintenanceService service in STRATO HiDrive Desktop Client creates a NetNamedPipe endpoint, allowing attackers to interact with exposed methods and execute code.

Affected Systems and Versions

STRATO HiDrive Desktop Client 5.0.1.0 for Windows
Telekom MagentaCLOUD versions up to 5.7.0.0
1&1 Online Storage versions up to 6.1.0.0

Exploitation Mechanism

Attackers exploit the insecure communication channels of the HiDriveMaintenanceService service to inject and execute malicious code, potentially escalating privileges.

Mitigation and Prevention

Immediate Steps to Take

Disable or restrict access to the affected services
Implement network segmentation to limit exposure
Monitor and analyze network traffic for suspicious activities

Long-Term Security Practices

Regularly update software and apply patches promptly
Conduct security assessments and penetration testing
Educate users on secure practices and awareness

Patching and Updates

Apply the latest security patches and updates provided by the respective vendors to mitigate the vulnerability.