CVE-2017-11364 : Exploit Details and Defense Strategies

In Joomla!, prior to version 3.7.4, the CMS installer fails to validate a user's authorization of a webspace, enabling remote authenticated users to gain control of the target application by exploiting Certificate Transparency logs.

Understanding CVE-2017-11364

This CVE highlights a vulnerability in Joomla! that allows authenticated remote users to take control of the application.

What is CVE-2017-11364?

The vulnerability in Joomla! version prior to 3.7.4 allows remote authenticated users to exploit Certificate Transparency logs to gain control of the target application.

The Impact of CVE-2017-11364

This vulnerability could lead to unauthorized access and control of the Joomla! application by remote authenticated users.

Technical Details of CVE-2017-11364

This section provides more technical insights into the CVE.

Vulnerability Description

The CMS installer in Joomla! before version 3.7.4 does not verify a user's ownership of a webspace, allowing remote authenticated users to gain control of the target application through Certificate Transparency logs.

Affected Systems and Versions

Product: Joomla!
Versions affected: Prior to 3.7.4

Exploitation Mechanism

The vulnerability can be exploited by remote authenticated users leveraging Certificate Transparency logs to take control of the Joomla! application.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Upgrade Joomla! to version 3.7.4 or later.
Monitor and restrict user permissions to minimize the risk of unauthorized access.

Long-Term Security Practices

Regularly update and patch Joomla! and other software to address security vulnerabilities.
Implement strong authentication mechanisms and access controls.

Patching and Updates

Ensure timely installation of security patches and updates to Joomla! and related software to mitigate the risk of exploitation.