CVE-2021-37557 : Vulnerability Insights and Analysis

A SQL injection vulnerability in image generation in Centreon before versions 20.04.14, 20.10.8, and 21.04.2 allows remote authenticated attackers to execute arbitrary SQL commands via a specific parameter.

Understanding CVE-2021-37557

This CVE describes a SQL injection vulnerability in Centreon that could be exploited by remote authenticated attackers.

What is CVE-2021-37557?

The CVE-2021-37557 vulnerability in Centreon's image generation functionality enables remote attackers with low privileges to execute arbitrary SQL commands.

The Impact of CVE-2021-37557

The impact of this vulnerability can lead to unauthorized access to the database, data manipulation, and potentially further compromise of the affected system.

Technical Details of CVE-2021-37557

This section details the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability exists in the image generation process within Centreon, specifically in the 'generateImage.php' script, allowing attackers to inject malicious SQL commands via a specific parameter.

Affected Systems and Versions

Centreon versions prior to 20.04.14, 20.10.8, and 21.04.2 are affected by this security flaw.

Exploitation Mechanism

Remote authenticated attackers, with low privileges, can exploit this vulnerability by manipulating the 'index' parameter in the 'generateImage.php' script to execute SQL commands.

Mitigation and Prevention

In this section, learn about the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to upgrade their Centreon installation to versions 20.04.14, 20.10.8, or 21.04.2 to mitigate the SQL injection risk.

Long-Term Security Practices

To enhance security, always follow the principle of least privilege, regularly review and restrict user permissions, and conduct security audits.

Patching and Updates

Regularly apply security patches and updates provided by Centreon to ensure that known vulnerabilities are addressed and system security is maintained.