CVE-2019-13359 : Exploit Details and Defense Strategies
Learn about CVE-2019-13359, a vulnerability in CentOS Web Panel 0.9.8.836 that allows unauthorized users to gain root access. Find mitigation steps and long-term security practices here.
A vulnerability in CentOS Web Panel 0.9.8.836, also known as CWP, allows an ordinary user to gain unauthorized root access by creating and uploading a session file to the /tmp directory.
Understanding CVE-2019-13359
This CVE identifies a privilege escalation vulnerability in CentOS Web Panel 0.9.8.836, enabling a regular user to exploit the system and elevate their privileges.
What is CVE-2019-13359?
The vulnerability in CentOS Web Panel 0.9.8.836 allows an attacker to create and upload a session file to the /tmp directory, leading to unauthorized root access.
The Impact of CVE-2019-13359
Exploiting this vulnerability can result in an attacker gaining root privileges on the affected system, potentially leading to further compromise and unauthorized actions.
Technical Details of CVE-2019-13359
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability in CentOS Web Panel 0.9.8.836 allows a normal user to craft and upload a session file to the /tmp directory, using it to become the root user.
Affected Systems and Versions
- Product: CentOS Web Panel 0.9.8.836
- Vendor: CentOS-WebPanel.com
- Version: 0.9.8.836
Exploitation Mechanism
By manipulating the cwpsrv-xxx cookie, an attacker can create and upload a session file to the /tmp directory, exploiting it to escalate privileges to root.
Mitigation and Prevention
Protecting systems from CVE-2019-13359 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable access to the /tmp directory for ordinary users.
- Monitor and restrict file uploads to critical directories.
- Implement least privilege principles to limit user capabilities.
Long-Term Security Practices
- Regularly update and patch the CentOS Web Panel to address known vulnerabilities.
- Conduct security audits and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
Ensure that the CentOS Web Panel is updated to a secure version that addresses the privilege escalation vulnerability.