CVE-2019-7346 Explained : Impact and Mitigation

ZoneMinder through version 1.32.3 has a vulnerability related to CSRF checks that can lead to a successful CSRF attack.

Understanding CVE-2019-7346

What is CVE-2019-7346?

A CSRF check issue exists in ZoneMinder through 1.32.3, where a failed CSRF check triggers a callback function displaying a "Try again" button, enabling the user to resend the failed request, potentially leading to a successful CSRF attack.

The Impact of CVE-2019-7346

This vulnerability allows malicious actors to perform CSRF attacks, potentially compromising the security and integrity of the affected systems.

Technical Details of CVE-2019-7346

Vulnerability Description

When a CSRF check fails in ZoneMinder through 1.32.3, a callback function presents a "Try again" button, inadvertently enabling the user to resend the unsuccessful request, leading to a successful CSRF attack.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability is exploited by leveraging the CSRF check failure to resend the unsuccessful request, allowing malicious actors to conduct successful CSRF attacks.

Mitigation and Prevention

Immediate Steps to Take

Implement CSRF protection mechanisms such as unique tokens for each request.
Regularly monitor and audit CSRF checks and responses.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Stay informed about security updates and patches for ZoneMinder.
Educate users on safe browsing practices to prevent CSRF attacks.

Patching and Updates

Apply the latest security patches and updates provided by ZoneMinder to mitigate the CSRF vulnerability.