CVE-2019-17399 : Exploit Details and Defense Strategies

Shack Forms Pro extension for Joomla! prior to version 4.0.32 is vulnerable to path traversal through file attachments.

Understanding CVE-2019-17399

This CVE involves a security vulnerability in the Shack Forms Pro extension for Joomla! that allows attackers to perform path traversal by exploiting a file attachment.

What is CVE-2019-17399?

The Shack Forms Pro extension for Joomla! before version 4.0.32 is susceptible to a path traversal vulnerability when processing file attachments.

The Impact of CVE-2019-17399

This vulnerability can be exploited by malicious actors to traverse file paths beyond the intended directories, potentially leading to unauthorized access to sensitive files and data.

Technical Details of CVE-2019-17399

The technical aspects of this CVE are as follows:

Vulnerability Description

The Shack Forms Pro extension for Joomla! before version 4.0.32 allows path traversal via file attachments.

Affected Systems and Versions

Product: Shack Forms Pro extension
Vendor: Joomla!
Versions Affected: Prior to 4.0.32

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating file attachments to traverse directories and access unauthorized files.

Mitigation and Prevention

To address CVE-2019-17399, consider the following mitigation strategies:

Immediate Steps to Take

Update Shack Forms Pro extension to version 4.0.32 or newer.
Monitor file attachments for suspicious behavior.

Long-Term Security Practices

Implement file upload restrictions and validation.
Conduct regular security audits and penetration testing.

Patching and Updates

Apply patches and updates provided by Joomla! promptly to address security vulnerabilities.