CVE-2020-27519 : Exploit Details and Defense Strategies
Learn about CVE-2020-27519 affecting Pritunl Client v1.2.2550.20. Discover the impact, affected systems, exploitation method, and mitigation steps to secure your systems.
Pritunl Client v1.2.2550.20 contains a local privilege escalation vulnerability in the pritunl-service component, allowing attackers to execute code as root/SYSTEM.
Understanding CVE-2020-27519
What is CVE-2020-27519?
Pritunl Client v1.2.2550.20 has a vulnerability that enables a local attacker to escalate privileges using a malicious openvpn config.
The Impact of CVE-2020-27519
The vulnerability allows a local attacker to manipulate log files to execute code with elevated privileges.
Technical Details of CVE-2020-27519
Vulnerability Description
The vulnerability in Pritunl Client v1.2.2550.20 enables a local attacker to exploit the pritunl-service component using a malicious openvpn config.
Affected Systems and Versions
- Product: Pritunl Client v1.2.2550.20
- Vendor: Pritunl
- Version: Not applicable
Exploitation Mechanism
- Attack Vector: Malicious openvpn config
- Method: Leveraging log and log-append with log injection to create or append to privileged script files
Mitigation and Prevention
Immediate Steps to Take
- Disable Pritunl Client until a patch is available
- Monitor for any unauthorized system changes
Long-Term Security Practices
- Regularly update Pritunl Client to the latest version
- Implement the principle of least privilege to limit potential damage
Patching and Updates
- Apply patches provided by Pritunl to address the vulnerability