CVE-2018-1638 : Security Advisory and Response

IBM API Connect version 5.0.0.0-5.0.8.3 is vulnerable to a security bypass issue related to Two Factor Authentication (TFA) during password resets.

Understanding CVE-2018-1638

The Developer Portal in IBM API Connect versions 5.0.0.0-5.0.8.3 has a vulnerability that allows bypassing Two Factor Authentication (TFA) for password resets.

What is CVE-2018-1638?

The vulnerability in IBM API Connect version 5.0.0.0-5.0.8.3 allows users to reset passwords without Two Factor Authentication (TFA) verification, contrary to other login scenarios.

The Impact of CVE-2018-1638

This vulnerability poses a medium severity risk with a CVSS base score of 5.9, potentially leading to unauthorized password resets.

Technical Details of CVE-2018-1638

Vulnerability Description

The Developer Portal in IBM API Connect 5.0.0.0-5.0.8.3 does not enforce Two Factor Authentication (TFA) for password resets.

Affected Systems and Versions

Product: API Connect
Vendor: IBM
Versions Affected: 5.0.0.0-5.0.8.3

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Integrity Impact: High
Privileges Required: None
Exploit Code Maturity: Unproven

Mitigation and Prevention

Immediate Steps to Take

Implement Two Factor Authentication (TFA) for all user interactions, including password resets.
Monitor user password reset activities for any suspicious behavior.

Long-Term Security Practices

Regularly review and update security policies to address authentication vulnerabilities.
Conduct security training for users on best practices for password management.

Patching and Updates

Apply official fixes provided by IBM to enforce Two Factor Authentication (TFA) for all login scenarios.