CVE-2020-15427 : Vulnerability Insights and Analysis

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

Understanding CVE-2020-15427

This CVE involves a flaw in CentOS Web Panel that enables attackers to execute code remotely without authentication.

What is CVE-2020-15427?

This vulnerability in CentOS Web Panel's cwp-e17.0.9.8.923 version allows remote attackers to run arbitrary code without needing authentication. The issue lies in the validation process of user-supplied strings within ajax_disk_usage.php.

The Impact of CVE-2020-15427

The vulnerability has a CVSS base score of 9.8, indicating a critical severity level. Its impact includes high confidentiality, integrity, and availability risks, with a low attack complexity.

Technical Details of CVE-2020-15427

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from improper validation of user-supplied strings in the folderName parameter, enabling attackers to execute system calls and run code as root.

Affected Systems and Versions

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

Exploitation Mechanism

The flaw allows attackers to exploit the folderName parameter to execute system calls and run code as root, without the need for authentication.

Mitigation and Prevention

Protecting systems from CVE-2020-15427 is crucial to prevent unauthorized code execution.

Immediate Steps to Take

Apply security patches promptly to address the vulnerability.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement network segmentation and access controls to limit attack surfaces.

Patching and Updates

Check for and apply patches released by CentOS Web Panel to fix the vulnerability and enhance system security.