CVE-2018-14905 : What You Need to Know

In the 3CX version 15.5.8801.3, a vulnerability in the Web server allows for Reflected XSS on the api/CallLog TimeZoneName parameter.

Understanding CVE-2018-14905

This CVE involves a security issue in 3CX version 15.5.8801.3 that can lead to Reflected XSS attacks.

What is CVE-2018-14905?

The vulnerability in the Web server of 3CX version 15.5.8801.3 enables attackers to execute Reflected XSS attacks through the api/CallLog TimeZoneName parameter.

The Impact of CVE-2018-14905

This vulnerability can be exploited by malicious actors to inject and execute malicious scripts on the affected system, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2018-14905

3CX version 15.5.8801.3 is susceptible to Reflected XSS attacks on the api/CallLog TimeZoneName parameter.

Vulnerability Description

The Web server in 3CX version 15.5.8801.3 is vulnerable to Reflected XSS attacks due to insufficient input validation on the TimeZoneName parameter.

Affected Systems and Versions

Product: 3CX
Version: 15.5.8801.3

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the TimeZoneName parameter, which are then executed when the parameter is reflected back to the user.

Mitigation and Prevention

To address CVE-2018-14905, follow these steps:

Immediate Steps to Take

Update 3CX to a patched version that addresses the XSS vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly monitor and audit web server logs for any suspicious activities.
Educate users on safe browsing practices to minimize the risk of XSS attacks.
Consider implementing a web application firewall (WAF) to filter and block malicious traffic.

Patching and Updates

Ensure timely installation of security patches and updates provided by 3CX to mitigate the vulnerability.