CVE-2020-10588 : Security Advisory and Response
Learn about CVE-2020-10588, a vulnerability in v2rayL 2.1.3 that allows local users to gain root access. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Vulnerability in v2rayL 2.1.3 allows local users to gain root access by exploiting certain scripts.
Understanding CVE-2020-10588
This CVE entry describes a privilege escalation vulnerability in v2rayL 2.1.3.
What is CVE-2020-10588?
The vulnerability in v2rayL 2.1.3 enables local users to elevate their privileges to root by leveraging specific scripts that execute with elevated permissions.
The Impact of CVE-2020-10588
The impact of this vulnerability is that unauthorized local users can gain root access on the affected system, potentially leading to further compromise or unauthorized actions.
Technical Details of CVE-2020-10588
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability exists in v2rayL 2.1.3 due to the ownership and execution permissions of /etc/v2rayL/add.sh and /etc/v2rayL/remove.sh, which are owned by a low-privileged user but execute as root via Sudo.
Affected Systems and Versions
- Affected Product: v2rayL 2.1.3
- Vendor: N/A
- Affected Version: N/A
Exploitation Mechanism
The vulnerability is exploited by local users who can run specific commands to execute the scripts with elevated privileges, allowing them to gain root access.
Mitigation and Prevention
Protecting systems from CVE-2020-10588 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable or restrict access to the vulnerable scripts /etc/v2rayL/add.sh and /etc/v2rayL/remove.sh.
- Monitor system logs for any suspicious activities related to privilege escalation.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user permissions.
- Regularly update and patch the system to address security vulnerabilities.
- Conduct security audits to identify and remediate potential security weaknesses.
- Educate users on secure practices to prevent unauthorized access.
Patching and Updates
- Check for patches or updates provided by the vendor to fix the vulnerability in v2rayL 2.1.3.