CVE-2021-37556 Explained : Impact and Mitigation

A SQL injection vulnerability in reporting export in Centreon before versions 20.04.14, 20.10.8, and 21.04.2 allows remote authenticated attackers to execute arbitrary SQL commands.

Understanding CVE-2021-37556

This CVE highlights a SQL injection vulnerability in Centreon, enabling attackers to run malicious SQL commands remotely.

What is CVE-2021-37556?

Centreon versions prior to 20.04.14, 20.10.8, and 21.04.2 are susceptible to a SQL injection flaw, permitting remote authenticated attackers to execute unauthorized SQL commands.

The Impact of CVE-2021-37556

The vulnerability poses a significant risk as it allows attackers with low privileges to manipulate the database and potentially access sensitive information.

Technical Details of CVE-2021-37556

The technical aspects of the CVE.

Vulnerability Description

The issue stems from improper input validation in the 'csvExport/csv_HostGroupLogs.php' script, enabling attackers to inject malicious SQL commands.

Affected Systems and Versions

Centreon versions before 20.04.14, 20.10.8, and 21.04.2 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers, with authenticated access, can exploit this vulnerability by manipulating the 'start' and 'end' parameters in the affected script.

Mitigation and Prevention

Steps to safeguard systems against CVE-2021-37556.

Immediate Steps to Take

Users are advised to update Centreon to versions 20.04.14, 20.10.8, or 21.04.2 to mitigate the risk of exploitation.

Long-Term Security Practices

Implement strict input validation mechanisms and conduct regular security assessments to prevent SQL injection attacks.

Patching and Updates

Regularly apply security patches and updates provided by Centreon to address known vulnerabilities.