CVE-2021-28925 : What You Need to Know

A SQL injection vulnerability in Nagios Network Analyzer before version 2.4.3 can be exploited via the o[col] parameter to api/checks/read/.

Understanding CVE-2021-28925

This CVE refers to a SQL injection vulnerability in Nagios Network Analyzer.

What is CVE-2021-28925?

CVE-2021-28925 involves an SQL injection vulnerability in Nagios Network Analyzer before version 2.4.3. This vulnerability can be triggered through the o[col] parameter in the API endpoint api/checks/read/.

The Impact of CVE-2021-28925

Exploitation of this vulnerability could allow malicious actors to execute arbitrary SQL queries, potentially leading to unauthorized access to sensitive data or the database.

Technical Details of CVE-2021-28925

The technical details of this CVE are as follows:

Vulnerability Description

The vulnerability arises from improper input validation of the o[col] parameter in the specified API endpoint.

Affected Systems and Versions

Nagios Network Analyzer versions prior to 2.4.3 are affected by this vulnerability.

Exploitation Mechanism

By manipulating the o[col] parameter in the api/checks/read/ endpoint, attackers can inject malicious SQL queries to exploit the vulnerability.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-28925, consider the following:

Immediate Steps to Take

Upgrade Nagios Network Analyzer to version 2.4.3 or later.
Implement input validation mechanisms to filter and sanitize user-controlled input.

Long-Term Security Practices

Regularly monitor and audit your systems for any unusual activities or unauthorized access.
Stay informed about security updates and best practices in SQL injection prevention.

Patching and Updates

Ensure timely application of security patches and updates provided by Nagios for Network Analyzer to address known vulnerabilities.