CVE-2021-25297 : Vulnerability Insights and Analysis
Learn about CVE-2021-25297, an OS command injection vulnerability in Nagios XI version xi-5.7.5, its impact, technical details, and mitigation steps to secure affected systems.
A detailed analysis of the OS command injection vulnerability in Nagios XI version xi-5.7.5 and its impact, technical details, and mitigation steps.
Understanding CVE-2021-25297
This section covers the essential information regarding CVE-2021-25297.
What is CVE-2021-25297?
CVE-2021-25297 is an OS command injection vulnerability found in Nagios XI version xi-5.7.5. The vulnerability arises due to improper sanitization of user-controlled input in a specific file, allowing attackers to execute arbitrary commands on the Nagios XI server.
The Impact of CVE-2021-25297
The impact of this vulnerability can lead to unauthorized access, data manipulation, and potential disruption of services on the affected Nagios XI server.
Technical Details of CVE-2021-25297
In this section, we delve into the technical specifics of CVE-2021-25297.
Vulnerability Description
The vulnerability is caused by inadequate input sanitization in the /usr/local/nagiosxi/html/includes/configwizards/switch/switch.inc.php file, permitting authenticated users to perform OS command injections through a single HTTP request.
Affected Systems and Versions
Nagios XI version xi-5.7.5 is confirmed to be affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating user-controlled input to execute arbitrary OS commands on the Nagios XI server, potentially compromising its integrity.
Mitigation and Prevention
This section focuses on the necessary steps to mitigate and prevent the exploitation of CVE-2021-25297.
Immediate Steps to Take
Users are advised to update Nagios XI to a patched version promptly. Additionally, restricting access to the vulnerable file can help prevent unauthorized exploitation.
Long-Term Security Practices
Implementing strict input validation, regular security audits, and user access controls are crucial for enhancing the overall security posture of Nagios XI and other systems.
Patching and Updates
Regularly applying security patches and updates provided by Nagios XI is fundamental in addressing known vulnerabilities and strengthening the platform's resilience.