Red Hat Keycloak REST API information disclosure

Summaryinfo

A vulnerability classified as critical has been found in Red Hat Keycloak, JBoss Enterprise Application Platform and Single Sign-On. This impacts an unknown function of the component REST API. Performing a manipulation results in Remote Privilege Escalation. This vulnerability is known as CVE-2024-3656. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Red Hat Keycloak, JBoss Enterprise Application Platform and Single Sign-On (version now known). It has been classified as critical. This affects some unknown processing of the component REST API. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.

It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2024-3656 since 04/11/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/23/2024). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Application Server Software

Vendor

• Red Hat

Name

• JBoss Enterprise Application Platform
• Keycloak
• Single Sign-On

License

• open-source

Website

• Vendor: https://www.redhat.com/

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