CVE-2018-14658 : Security Advisory and Response

JBOSS Keycloak 3.2.1.Final has a vulnerability where the redirect URLs for Login and Logout processes are not properly normalized, potentially leading to an Open Redirection attack.

Understanding CVE-2018-14658

This CVE involves a security issue in JBOSS Keycloak version 3.2.1.Final.

What is CVE-2018-14658?

A flaw in JBOSS Keycloak 3.2.1.Final allows for improper normalization of redirect URLs, creating a potential risk for an Open Redirection attack.

The Impact of CVE-2018-14658

The vulnerability has a CVSS base score of 6.1, indicating a medium severity issue with low confidentiality and integrity impacts. The attack complexity is low, requiring user interaction.

Technical Details of CVE-2018-14658

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

Vulnerability Description

The flaw in JBOSS Keycloak 3.2.1.Final lies in the improper normalization of redirect URLs for Login and Logout processes, which could be exploited for an Open Redirection attack.

Affected Systems and Versions

Product: Keycloak
Vendor: Red Hat
Version: 3.2.1.Final

Exploitation Mechanism

The vulnerability allows attackers to manipulate redirect URLs, potentially tricking users into visiting malicious sites.

Mitigation and Prevention

Protecting systems from CVE-2018-14658 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches provided by Red Hat promptly.
Monitor and restrict user interactions with redirect URLs.
Educate users about the risks of following unverified URLs.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement secure coding practices to avoid similar issues in the future.

Patching and Updates

Red Hat has released security advisories (RHSA-2018:3592, RHSA-2018:3593, RHSA-2018:3595) addressing this vulnerability.