CVE-2018-6873 : Security Advisory and Response

Auth0 authentication service before 2017-10-15 is vulnerable to privilege escalation due to lack of JWT audience validation.

Understanding CVE-2018-6873

This CVE describes a privilege escalation vulnerability in the Auth0 authentication service.

What is CVE-2018-6873?

The Auth0 authentication service prior to 2017-10-15 allows privilege escalation because it does not validate the JWT audience.

The Impact of CVE-2018-6873

This vulnerability could be exploited by attackers to escalate their privileges within the Auth0 authentication service.

Technical Details of CVE-2018-6873

Vulnerability Description

The Auth0 authentication service before 2017-10-15 is susceptible to privilege escalation due to the absence of JWT audience validation.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability to elevate their privileges within the Auth0 authentication service.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to a patched version of the Auth0 authentication service that includes JWT audience validation.
Monitor for any unauthorized privilege escalations.

Long-Term Security Practices

Implement regular security audits and assessments to identify and address vulnerabilities promptly.
Educate users on secure authentication practices to prevent unauthorized access.

Patching and Updates

Ensure that all software and services, including Auth0, are regularly updated with the latest security patches to mitigate known vulnerabilities.