CVE-2020-15423 : Security Advisory and Response

A vulnerability in CentOS Web Panel allows remote attackers to execute arbitrary code without authentication, posing a critical threat.

Understanding CVE-2020-15423

This CVE identifies a critical vulnerability in CentOS Web Panel that enables remote code execution without authentication.

What is CVE-2020-15423?

The vulnerability in CentOS Web Panel cwp-e17.0.9.8.923 allows attackers to execute code as root through an insecure system call in ajax_mod_security.php.

The Impact of CVE-2020-15423

The vulnerability has a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-15423

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw arises from improper validation of user-supplied input in the dominio parameter, leading to OS command injection.

Affected Systems and Versions

Product: CentOS Web Panel
Version: cwp-e17.0.9.8.923

Exploitation Mechanism

The vulnerability can be exploited remotely without authentication, allowing attackers to execute arbitrary code in the context of root.

Mitigation and Prevention

Protecting systems from CVE-2020-15423 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches promptly to mitigate the vulnerability.
Monitor for any unauthorized access or suspicious activities on the system.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent command injections.
Regularly update and patch software to address security vulnerabilities.

Patching and Updates

Check for security updates from CentOS Web Panel and apply them as soon as they are available to secure the system.