CVE-2020-15613 : Security Advisory and Response

This vulnerability allows remote attackers to execute arbitrary code on affected installations of CentOS Web Panel cwp-e17.0.9.8.923 without requiring authentication. The flaw exists within ajax_admin_apis.php, enabling attackers to execute code in the context of root.

Understanding CVE-2020-15613

This CVE affects CentOS Web Panel version cwp-e17.0.9.8.923.

What is CVE-2020-15613?

CVE-2020-15613 is a critical vulnerability that allows remote attackers to execute arbitrary code on affected CentOS Web Panel installations without needing authentication. The flaw lies in the improper validation of user-supplied input within ajax_admin_apis.php.

The Impact of CVE-2020-15613

The impact of this vulnerability is critical, with a CVSS base score of 9.8. Attackers can exploit this flaw to execute code with high confidentiality, integrity, and availability impacts.

Technical Details of CVE-2020-15613

This section provides technical details of the vulnerability.

Vulnerability Description

The vulnerability stems from improper neutralization of special elements used in an OS command (OS Command Injection), allowing attackers to execute arbitrary code.

Affected Systems and Versions

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

Exploitation Mechanism

The flaw occurs within ajax_admin_apis.php when parsing the line parameter. The process fails to validate user-supplied input before executing a system call, enabling attackers to run code as root.

Mitigation and Prevention

Protect your systems from CVE-2020-15613 with the following steps:

Immediate Steps to Take

Apply security patches promptly
Monitor for any unauthorized access or suspicious activities

Long-Term Security Practices

Regularly update and patch software
Implement network segmentation and access controls

Patching and Updates

Ensure you update CentOS Web Panel to a patched version that addresses CVE-2020-15613.