CVE-2019-5884 : Exploit Details and Defense Strategies

In versions of elFinder prior to 2.1.45, a vulnerability exists that could lead to information leakage when specific PHP settings are not configured properly.

Understanding CVE-2019-5884

This CVE identifies a security issue in elFinder versions before 2.1.45 that could result in potential information disclosure.

What is CVE-2019-5884?

CVE-2019-5884 is a vulnerability in elFinder that allows for information leakage when PHP's curl extension is enabled, and safe_mode or open_basedir settings are not set.

The Impact of CVE-2019-5884

The vulnerability could potentially expose sensitive information due to improper configuration settings in elFinder.

Technical Details of CVE-2019-5884

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue in php/elFinder.class.php in elFinder before 2.1.45 can leak information if PHP's curl extension is enabled and safe_mode or open_basedir is not set.

Affected Systems and Versions

Affected Version: elFinder versions prior to 2.1.45
Systems with PHP's curl extension enabled and lacking safe_mode or open_basedir settings

Exploitation Mechanism

The vulnerability can be exploited by attackers to access sensitive information when the mentioned PHP settings are not properly configured.

Mitigation and Prevention

Protecting systems from CVE-2019-5884 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update elFinder to version 2.1.45 or newer
Ensure PHP's curl extension is configured securely
Set appropriate safe_mode and open_basedir settings

Long-Term Security Practices

Regularly monitor and update PHP configurations
Conduct security audits to identify and address vulnerabilities

Patching and Updates

Apply patches and updates provided by elFinder promptly to address the vulnerability