CVE-2018-21025 : What You Need to Know

Centreon VM up to version 19.04.3 is affected by a vulnerability in the centreon-backup.pl script, allowing attackers to gain root access due to incorrect permissions on configuration files.

Understanding CVE-2018-21025

This CVE involves a security issue in Centreon VM that can lead to privilege escalation for attackers.

What is CVE-2018-21025?

This CVE identifies a vulnerability in the centreon-backup.pl script within Centreon VM versions up to 19.04.3, enabling unauthorized users to escalate their privileges to root level.

The Impact of CVE-2018-21025

The vulnerability allows attackers to exploit the script to gain root access, potentially leading to unauthorized control and manipulation of the affected system.

Technical Details of CVE-2018-21025

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

Vulnerability Description

The vulnerability arises from incorrect permissions on sourced configuration files, specifically within the centreon-backup.pl script in Centreon VM.

Affected Systems and Versions

Centreon VM up to version 19.04.3

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting a malicious script to abuse the incorrect rights on configuration files, ultimately gaining root access.

Mitigation and Prevention

Protecting systems from CVE-2018-21025 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by Centreon promptly
Monitor system logs for any suspicious activities
Restrict access to critical system files and directories

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities
Conduct security audits and penetration testing to identify weaknesses
Educate users on best practices for system security

Patching and Updates

Ensure all Centreon VM installations are updated to version 19.04.3 or newer to mitigate the vulnerability