CVE-2020-35613 : Security Advisory and Response

An issue was discovered in Joomla! 3.0.0 through 3.9.22, leading to a SQL injection vulnerability in the backend user list.

Understanding CVE-2020-35613

This CVE involves a SQL injection vulnerability in Joomla! CMS versions 3.0.0 through 3.9.22.

What is CVE-2020-35613?

CVE-2020-35613 is a security vulnerability in Joomla! CMS that allows attackers to exploit improper filter blacklist configuration, resulting in a SQL injection vulnerability in the backend user list.

The Impact of CVE-2020-35613

The vulnerability can be exploited by attackers to execute malicious SQL queries, potentially leading to unauthorized access, data manipulation, or data exfiltration.

Technical Details of CVE-2020-35613

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from improper filter blacklist configuration, which can be abused to inject malicious SQL queries into the backend user list.

Affected Systems and Versions

Product: Joomla! CMS
Vendor: Joomla! Project
Versions Affected: 3.0.0-3.9.22

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating input fields to inject SQL queries, bypassing security measures and gaining unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2020-35613 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the security patch provided by Joomla! Project promptly.
Monitor system logs for any suspicious activities indicating a potential SQL injection attack.

Long-Term Security Practices

Regularly update Joomla! CMS and all associated extensions to the latest versions.
Implement strict input validation and parameterized queries to mitigate SQL injection risks.

Patching and Updates

Ensure timely installation of security patches released by Joomla! Project to address the vulnerability and enhance system security.