CVE-2019-17130 : What You Need to Know

vBulletin version 5.5.4 has a mishandling issue with external URLs in the /core/vb/vurl.php file and /core/vb/vurl directories.

Understanding CVE-2019-17130

This CVE involves a vulnerability in vBulletin version 5.5.4 that affects the handling of external URLs.

What is CVE-2019-17130?

The file /core/vb/vurl.php and the /core/vb/vurl directories in vBulletin version 5.5.4 have a mishandling issue with external URLs.

The Impact of CVE-2019-17130

The mishandling of external URLs could potentially lead to security vulnerabilities, allowing attackers to exploit the system through malicious URLs.

Technical Details of CVE-2019-17130

This section provides more technical insights into the vulnerability.

Vulnerability Description

vBulletin through 5.5.4 mishandles external URLs within the /core/vb/vurl.php file and the /core/vb/vurl directories.

Affected Systems and Versions

Product: vBulletin
Version: 5.5.4

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious external URLs that trigger the mishandling issue in the specified files and directories.

Mitigation and Prevention

To address CVE-2019-17130, follow these mitigation strategies:

Immediate Steps to Take

Update vBulletin to a patched version that addresses the mishandling of external URLs.
Monitor and restrict external URL access within the affected files and directories.

Long-Term Security Practices

Regularly update and patch vBulletin to prevent known vulnerabilities.
Implement strict input validation mechanisms to mitigate URL-related security risks.

Patching and Updates

Stay informed about security updates and patches released by vBulletin.
Apply patches promptly to ensure the system is protected against potential exploits.