CVE-2018-16146 Explained : Impact and Mitigation
Learn about CVE-2018-16146 affecting Opsview Monitor 5.4.x. Understand the impact, technical details, and mitigation steps for this command injection vulnerability.
In Opsview Monitor 5.4.x before version 5.4.2, a vulnerability exists that could allow arbitrary command injection through the web management console.
Understanding CVE-2018-16146
This CVE identifies a security issue in Opsview Monitor version 5.4.x.
What is CVE-2018-16146?
The vulnerability in Opsview Monitor 5.4.x before version 5.4.2 allows authenticated administrators to test notifications for specific configurable events. Improper sanitization of the value parameter poses a risk of arbitrary command injection using the privileges of the nagios user account.
The Impact of CVE-2018-16146
The vulnerability could be exploited by attackers to execute arbitrary commands with the privileges of the nagios user account, potentially leading to unauthorized access and control of the system.
Technical Details of CVE-2018-16146
Opsview Monitor 5.4.x before version 5.4.2 is susceptible to command injection due to improper input sanitization.
Vulnerability Description
The web management console of Opsview Monitor allows authenticated administrators to test notifications triggered by configurable events. The lack of proper sanitization of the value parameter enables attackers to inject arbitrary commands.
Affected Systems and Versions
- Product: Opsview Monitor 5.4.x
- Versions: Before 5.4.2
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the value parameter in the web management console, leading to the execution of arbitrary commands.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade Opsview Monitor to version 5.4.2 or later to mitigate the vulnerability.
- Monitor system logs for any suspicious activities that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch all software to prevent known vulnerabilities.
- Implement strong authentication mechanisms and access controls to limit unauthorized access.
- Conduct regular security assessments and penetration testing to identify and address potential weaknesses.
Patching and Updates
- Apply patches and updates provided by Opsview Monitor promptly to ensure the security of the system.