CVE-2019-12386 Explained : Impact and Mitigation

A stored cross-site scripting (XSS) vulnerability in Ampache up to version 3.9.1 allows attackers to inject malicious code into the "add instance" feature, potentially leading to unauthorized user creation.

Understanding CVE-2019-12386

This CVE involves a security flaw in Ampache that enables stored XSS attacks, posing a risk of unauthorized user privilege escalation.

What is CVE-2019-12386?

Ampache, up to version 3.9.1, is susceptible to a stored XSS vulnerability in the localplay.php LocalPlay "add instance" functionality. This flaw permits attackers to insert harmful code that may result in the creation of new privileged users without the administrator's knowledge.

The Impact of CVE-2019-12386

Exploiting this vulnerability could allow malicious actors to manipulate administrators into unknowingly generating new privileged users, potentially compromising system security and user data.

Technical Details of CVE-2019-12386

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The vulnerability lies in the localplay.php LocalPlay "add instance" feature, enabling stored XSS attacks that can lead to the creation of unauthorized privileged users.

Affected Systems and Versions

Affected Product: Ampache
Affected Version: Up to 3.9.1

Exploitation Mechanism

The flaw allows attackers to inject malicious code into the "add instance" feature, leading to the display of unauthorized content in the instances menu.

Mitigation and Prevention

Protecting systems from CVE-2019-12386 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Ampache to the latest patched version.
Implement input validation to prevent XSS attacks.
Educate administrators on recognizing and avoiding social engineering tactics.

Long-Term Security Practices

Regularly monitor and audit user accounts and privileges.
Conduct security training for all system users to enhance awareness.
Employ web application firewalls to detect and block malicious traffic.

Patching and Updates

Apply security patches promptly to address known vulnerabilities.
Stay informed about security advisories and updates from Ampache.