CVE-2018-18258 : Security Advisory and Response

A vulnerability in BageCMS 3.1.3 allows attackers to execute unrestricted PHP code on the web server and access any file on the server.

Understanding CVE-2018-18258

What is CVE-2018-18258?

An issue was discovered in BageCMS 3.1.3, enabling attackers to execute arbitrary PHP code on the web server and read any file on the server using a specific URI.

The Impact of CVE-2018-18258

This vulnerability can lead to unauthorized access and potential data breaches on the affected server.

Technical Details of CVE-2018-18258

Vulnerability Description

The vulnerability in BageCMS 3.1.3 allows attackers to execute PHP code and access files on the server through a specific URI.

Affected Systems and Versions

Product: BageCMS 3.1.3
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the URI index.php?r=admini/template/updateTpl&filename= to execute PHP code and access server files.

Mitigation and Prevention

Immediate Steps to Take

Disable the affected functionality if possible.
Implement strict input validation to prevent code injection.
Monitor server logs for any suspicious activities.

Long-Term Security Practices

Regularly update BageCMS to the latest secure version.
Conduct security audits and penetration testing to identify vulnerabilities.

Patching and Updates

Apply patches or security updates provided by BageCMS to address this vulnerability.