CVE-2020-15428 : Security Advisory and Response
Learn about CVE-2020-15428, a critical vulnerability in CentOS Web Panel cwp-e17.0.9.8.923 allowing remote attackers to execute arbitrary code without authentication. Find mitigation steps and preventive measures here.
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_crons.php, enabling attackers to execute code in the context of root.
Understanding CVE-2020-15428
This CVE affects CentOS Web Panel version cwp-e17.0.9.8.923.
What is CVE-2020-15428?
CVE-2020-15428 is a critical vulnerability that permits remote attackers to execute arbitrary code on CentOS Web Panel installations without authentication. The flaw lies in ajax_crons.php, allowing malicious actors to run code as root.
The Impact of CVE-2020-15428
The vulnerability has a CVSS base score of 9.8, indicating a critical severity level. Its high impact on confidentiality, integrity, and availability makes it a significant threat to affected systems.
Technical Details of CVE-2020-15428
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in ajax_crons.php of CentOS Web Panel cwp-e17.0.9.8.923 allows attackers to execute system calls without proper validation, leading to arbitrary code execution as root.
Affected Systems and Versions
- Product: CentOS Web Panel
- Vendor: CentOS Web Panel
- Version: cwp-e17.0.9.8.923
Exploitation Mechanism
The vulnerability arises from inadequate validation of user-supplied strings in the 'line' parameter of ajax_crons.php, enabling attackers to execute system calls and run code as root.
Mitigation and Prevention
Protecting systems from CVE-2020-15428 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches promptly to mitigate the vulnerability.
- Monitor for any suspicious activities on the system.
- Consider restricting access to vulnerable components.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities.
- Conduct security assessments and audits to identify and remediate potential risks.
- Implement strong access controls and authentication mechanisms.
- Educate users and administrators about secure coding practices.
Patching and Updates
Ensure that the affected CentOS Web Panel version cwp-e17.0.9.8.923 is updated with the latest security patches to eliminate the vulnerability.