Executive Summary

Joomla NextGen Editor version 2.1.0 contains a high-severity SQL injection vulnerability identified as CVE-2017-20252. This flaw allows unauthenticated attackers to execute arbitrary SQL commands by injecting malicious code through the 'plname' parameter in a specially crafted GET request to index.php with parameters option=com_nge and view=config.

By exploiting this vulnerability, attackers can manipulate the database queries executed by the application, potentially extracting sensitive information from the database.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can have serious impacts including unauthorized access to sensitive database information. Attackers can exploit the SQL injection flaw to extract confidential data such as database contents, which may include user information, credentials, or other sensitive records.

Because the vulnerability can be exploited without authentication, it poses a significant risk to the security and integrity of the affected Joomla website.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability can be detected by monitoring for suspicious GET requests to the index.php file with the parameters option=com_nge and view=config, specifically looking for the presence of the plname parameter containing potentially malicious SQL code.

A practical detection method is to use network or web server logs to identify requests matching this pattern.

For example, you can use the following command on a Linux system to search web server logs for suspicious requests:

• grep -i 'index.php' /var/log/apache2/access.log | grep 'option=com_nge' | grep 'view=config' | grep 'plname='

Additionally, tools like web application firewalls (WAFs) or intrusion detection systems (IDS) can be configured to alert on such suspicious query strings.

Useful 0 Not Useful 0

Mitigation Strategies

Immediate mitigation steps include restricting access to the vulnerable component by disabling or uninstalling the NextGen Editor extension version 2.1.0 or earlier.

If disabling is not possible, implement input validation and sanitization on the plname parameter to prevent SQL injection.

Additionally, monitor and block suspicious requests targeting the vulnerable parameters using a web application firewall (WAF).

Applying any available patches or updates from the vendor that address this vulnerability is also critical.

Useful 0 Not Useful 0

Compliance Impact

The SQL injection vulnerability in Joomla NextGen Editor 2.1.0 allows unauthenticated attackers to extract sensitive database information. This unauthorized access to sensitive data can lead to non-compliance with data protection regulations such as GDPR and HIPAA, which require safeguarding personal and sensitive information against unauthorized access and breaches.

By enabling attackers to execute arbitrary SQL commands and potentially access confidential data, this vulnerability increases the risk of data breaches, which can result in legal and regulatory consequences for organizations handling protected data.

Useful 0 Not Useful 0