CVE-2019-7336 Explained : Impact and Mitigation

ZoneMinder version 1.32.3 is vulnerable to Self-Stored Cross Site Scripting (XSS) due to insecure handling of user-inputted data in _monitor_filters.php. This allows malicious actors to execute XSS attacks through the MonitorName and Source parameters.

Understanding CVE-2019-7336

In ZoneMinder version 1.32.3, a vulnerability known as Self-Stored Cross Site Scripting (XSS) exists, posing a security risk.

What is CVE-2019-7336?

This vulnerability arises from the insecure storage and retrieval of user-inputted data in ZoneMinder's _monitor_filters.php file, leading to potential XSS attacks.

The Impact of CVE-2019-7336

The vulnerability allows attackers to inject malicious scripts into the application, potentially compromising user data and system integrity.

Technical Details of CVE-2019-7336

ZoneMinder version 1.32.3 is susceptible to XSS attacks due to the following:

Vulnerability Description

User-inputted data in the MonitorName and Source parameters is stored insecurely, enabling attackers to execute XSS attacks.

Affected Systems and Versions

System: ZoneMinder
Version: 1.32.3

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the vulnerable MonitorName and Source parameters.

Mitigation and Prevention

To address CVE-2019-7336, consider the following steps:

Immediate Steps to Take

Update ZoneMinder to a patched version that addresses the XSS vulnerability.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and update security patches for ZoneMinder.
Educate users on safe data input practices to mitigate XSS risks.

Patching and Updates

Ensure timely installation of security patches and updates provided by ZoneMinder to prevent exploitation of vulnerabilities.