CVE-2023-3767 : Vulnerability Insights and Analysis

This CVE-2023-3767 was assigned by INCIBE and published on September 26, 2023. It involves an OS command injection vulnerability in EasyPHP Webserver version 14.1, with a critical severity score of 9.8 out of 10.

Understanding CVE-2023-3767

This vulnerability poses a significant risk as it allows attackers to execute commands on the system through specially crafted exploits, potentially leading to full access to the targeted system.

What is CVE-2023-3767?

CVE-2023-3767 is an OS command injection vulnerability discovered in the EasyPHP Webserver version 14.1. Attackers can exploit this flaw by sending malicious commands to the /index.php?zone=settings parameter, gaining unauthorized access to the system.

The Impact of CVE-2023-3767

The impact of this vulnerability is classified as critical, with a base severity score of 9.8 out of 10. It can result in high impacts on confidentiality, integrity, and availability of the affected system. The vulnerability is associated with CAPEC-108 Command Line Execution through SQL Injection.

Technical Details of CVE-2023-3767

This section delves into the vulnerability description, affected systems and versions, and the exploitation mechanism related to CVE-2023-3767.

Vulnerability Description

The OS command injection vulnerability in EasyPHP Webserver version 14.1 allows attackers to execute arbitrary commands on the system by exploiting the /index.php?zone=settings parameter, potentially leading to full system compromise.

Affected Systems and Versions

Only EasyPHP Webserver version 14.1 is affected by CVE-2023-3767. Users of this specific version are at risk of exploitation if proper mitigation measures are not implemented promptly.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted commands to the vulnerable /index.php?zone=settings parameter, manipulating the system to execute unauthorized commands and potentially gain complete control over the target system.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-3767, immediate action and long-term security practices are crucial.

Immediate Steps to Take

Update EasyPHP Webserver to a patched version that addresses the OS command injection vulnerability.
Implement network-level defenses to detect and block malicious commands targeting the /index.php?zone=settings parameter.
Regularly monitor system logs and network traffic for any suspicious activities that could indicate an exploitation attempt.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments to detect and remediate potential flaws in the system.
Educate users and IT staff on best practices for secure coding, system configuration, and incident response protocols.
Establish access controls, least privilege principles, and network segmentation to limit the impact of successful attacks.

Patching and Updates

Stay informed about security updates released by EasyPHP for the Webserver product. Promptly apply patches to mitigate known vulnerabilities and enhance the overall security posture of the system.