CVE-2020-13177 : Vulnerability Insights and Analysis
Learn about CVE-2020-13177 affecting Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows. Find out how attackers can exploit this vulnerability and steps to prevent privilege escalation.
Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows versions prior to 20.04.1 and 20.07.0 are affected by a vulnerability that allows attackers to gain elevated privileges.
Understanding CVE-2020-13177
The vulnerability in the support bundler of Teradici PCoIP Agents for Windows allows attackers to execute malicious binaries to escalate privileges.
What is CVE-2020-13177?
The vulnerability arises from the lack of hard-coded paths for specific Windows binaries in the support bundler, enabling attackers to execute malicious binaries and elevate privileges.
The Impact of CVE-2020-13177
Attackers can exploit this vulnerability to gain elevated privileges on affected systems, potentially leading to unauthorized access and control.
Technical Details of CVE-2020-13177
The technical aspects of the vulnerability are as follows:
Vulnerability Description
The support bundler in Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows versions prior to 20.04.1 and 20.07.0 lacks hard-coded paths for certain Windows binaries, allowing for privilege escalation.
Affected Systems and Versions
- Products: PCoIP Standard Agent for Windows, PCoIP Graphics Agent for Windows
- Versions: 20.04.0 and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability by placing a malicious binary in the system path, leveraging the lack of hard-coded paths to execute the binary and gain elevated privileges.
Mitigation and Prevention
To address CVE-2020-13177, follow these mitigation strategies:
Immediate Steps to Take
- Update to version 20.04.1 or 20.07.0 of Teradici PCoIP Standard Agent for Windows and Graphics Agent for Windows.
- Monitor system paths for any unauthorized binaries.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Implement least privilege access controls to limit the impact of potential privilege escalation.
Patching and Updates
- Teradici has released versions 20.04.1 and 20.07.0 to address this vulnerability. Ensure all affected systems are updated to the patched versions.