CVE-2019-11676 Explained : Impact and Mitigation

Stored XSS attacks can exploit the user-provided DNS name in Zoho ManageEngine Firewall Analyzer prior to version 12.3 Build 123224.

Understanding CVE-2019-11676

This CVE involves a vulnerability in Zoho ManageEngine Firewall Analyzer that allows stored XSS attacks.

What is CVE-2019-11676?

The user-defined DNS name in Zoho ManageEngine Firewall Analyzer before version 12.3 Build 123224 is susceptible to stored XSS attacks.

The Impact of CVE-2019-11676

This vulnerability can be exploited by attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions.

Technical Details of CVE-2019-11676

Zoho ManageEngine Firewall Analyzer is affected by a stored XSS vulnerability.

Vulnerability Description

The vulnerability allows attackers to inject and execute malicious scripts using the user-provided DNS name.

Affected Systems and Versions

Zoho ManageEngine Firewall Analyzer versions prior to 12.3 Build 123224

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the user-provided DNS name field.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-11676.

Immediate Steps to Take

Update Zoho ManageEngine Firewall Analyzer to version 12.3 Build 123224 or later.
Regularly monitor and review user-provided inputs for malicious content.

Long-Term Security Practices

Implement input validation mechanisms to prevent script injection attacks.
Educate users on safe browsing practices and the importance of avoiding suspicious links.

Patching and Updates

Stay informed about security updates and patches released by Zoho ManageEngine.