CVE-2020-15424 : Exploit Details and Defense Strategies
Learn about CVE-2020-15424, a critical vulnerability in CentOS Web Panel allowing remote code execution without authentication. Find mitigation steps and preventive measures here.
A vulnerability in CentOS Web Panel allows remote attackers to execute arbitrary code without authentication, posing a critical threat.
Understanding CVE-2020-15424
This CVE involves a flaw in CentOS Web Panel that enables attackers to run code remotely without needing authentication.
What is CVE-2020-15424?
The vulnerability in CentOS Web Panel cwp-e17.0.9.8.923 permits the execution of arbitrary code by attackers without requiring authentication. The issue lies in ajax_mod_security.php, where inadequate validation of user-supplied strings before system call execution occurs, enabling code execution in the root context.
The Impact of CVE-2020-15424
The vulnerability has a CVSS base score of 9.8, categorizing it as critical due to its high impact on confidentiality, integrity, and availability. The attack vector is through the network, with low complexity and no privileges required.
Technical Details of CVE-2020-15424
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability stems from improper validation of user-supplied strings in the domain parameter of ajax_mod_security.php, allowing attackers to execute code as root.
Affected Systems and Versions
- Product: CentOS Web Panel
- Vendor: CentOS Web Panel
- Version: cwp-e17.0.9.8.923
Exploitation Mechanism
Attackers exploit the flaw by manipulating the domain parameter to execute system calls with malicious code, granting them root-level access.
Mitigation and Prevention
Protecting systems from CVE-2020-15424 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches or updates provided by CentOS Web Panel promptly.
- Monitor network traffic for any suspicious activities.
- Implement strong firewall rules to restrict unauthorized access.
Long-Term Security Practices
- Conduct regular security audits and vulnerability assessments.
- Educate users on safe browsing habits and phishing awareness.
- Keep software and systems up to date with the latest security patches.
Patching and Updates
CentOS Web Panel users should ensure they install the latest patches and updates to address the vulnerability effectively.