CVE-2018-19311 Explained : Impact and Mitigation

An XSS vulnerability was discovered in Centreon 3.4.x, which was fixed in Centreon 18.10.0. This vulnerability can be exploited through the Service field in the main.php?p=20201 URI.

Understanding CVE-2018-19311

This CVE involves a cross-site scripting (XSS) vulnerability in Centreon versions 3.4.x that was addressed in version 18.10.0.

What is CVE-2018-19311?

Centreon 3.4.x, prior to the fix in Centreon 18.10.0, is susceptible to XSS attacks via the Service field in the main.php?p=20201 URI. Exploitation was demonstrated in the "Monitoring > Status Details > Services" screen.

The Impact of CVE-2018-19311

Attackers can execute malicious scripts in the context of a user's session on the affected Centreon instance.
This vulnerability could lead to unauthorized actions, data theft, or further compromise of the system.

Technical Details of CVE-2018-19311

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The XSS vulnerability in Centreon 3.4.x allows attackers to inject and execute malicious scripts through the Service field in the main.php?p=20201 URI.

Affected Systems and Versions

Centreon versions 3.4.x are affected by this vulnerability.
The issue was resolved in Centreon version 18.10.0.

Exploitation Mechanism

Exploitation of this vulnerability occurs through the Service field in the main.php?p=20201 URI.
The attack vector was demonstrated in the "Monitoring > Status Details > Services" screen.

Mitigation and Prevention

Protecting systems from CVE-2018-19311 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Centreon to version 18.10.0 or later to mitigate the vulnerability.
Monitor and restrict user input to prevent malicious script injection.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Apply security patches provided by Centreon promptly to ensure protection against known vulnerabilities.