CVE-2024-1132 Keycloak: path transversal in redirection validation

High 8.1 Published Updated

Attackers can bypass redirect validation to access sensitive internal URLs when wildcard redirect URIs are configured.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-1132?

CVE-2024-1132 is a high-severity path traversal vulnerability in Redhat Build of Keycloak, published on 17 Apr 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. This issue could allow an attacker to construct a malicious request to bypass validation and access other URLs and sensitive information within the domain or conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field, and requires user interaction within the malicious URL.

Weakness: CWE-22

Which versions are affected by CVE-2024-1132?

4 open source packages ship an affected version, including org.keycloak:keycloak-services. It affects 10 products.

PackageAffectedFixed in
org.keycloak:keycloak-services MavenAll versions22.0.10
org.keycloak:keycloak-services MavenAll versions22.0.10
org.keycloak:keycloak-services MavenFrom 23.0.024.0.3
org.keycloak:keycloak-services MavenFrom 23.0.024.0.3

Products include Redhat Build of Keycloak, Redhat Jboss Middleware Text-Only Advisories, Redhat Keycloak, Redhat Migration Toolkit for Applications, Redhat Migration Toolkit for Runtimes, Redhat Openshift Container Platform and 4 more.

How do I fix CVE-2024-1132?

Upgrade org.keycloak:keycloak-services to a fixed version for your release line: 22.0.10 or 24.0.3.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2024-1132 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-1132 exists.

All Redhat Build of Keycloak vulnerabilities

Sources

Also known as GHSA-72vp-xfrc-42xm.

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