CVE-2019-14671 Explained : Impact and Mitigation

Firefly III 4.7.17.3 is vulnerable to local file enumeration due to a lack of protocol scheme sanitization, allowing an attacker to perform this action through specific URLs.

Understanding CVE-2019-14671

This CVE identifies a vulnerability in Firefly III 4.7.17.3 that enables local file enumeration.

What is CVE-2019-14671?

The vulnerability in Firefly III 4.7.17.3 allows an attacker to perform local file enumeration by exploiting the absence of proper protocol scheme sanitization, particularly for file:/// URLs. The affected areas include fints_url used for import, job, and configuration, as well as import/create/fints.

The Impact of CVE-2019-14671

The vulnerability poses a risk of unauthorized access to sensitive local files, potentially leading to further exploitation or data theft.

Technical Details of CVE-2019-14671

This section provides technical details about the vulnerability.

Vulnerability Description

Firefly III 4.7.17.3 is susceptible to local file enumeration due to inadequate protocol scheme sanitization, specifically for file:/// URLs.

Affected Systems and Versions

Product: Firefly III 4.7.17.3
Vendor: N/A
Versions: N/A

Exploitation Mechanism

The vulnerability can be exploited through the fints_url functionality used for import, job, and configuration, as well as import/create/fints.

Mitigation and Prevention

Protecting systems from CVE-2019-14671 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Implement network segmentation to restrict access to sensitive files.
Monitor and log file access attempts for unusual behavior.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users on safe browsing habits and potential risks of file enumeration attacks.

Patching and Updates

Stay informed about security advisories and updates from Firefly III.