CVE-2023-2585 Keycloak: client access via device auth request spoof
Attackers can spoof device authorization requests to trick admins into granting consent to malicious OAuth clients, leading to unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-2585?
CVE-2023-2585 is a low-severity authentication bypass vulnerability in Redhat Openshift Container Platform, published on 21 Dec 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Keycloak's device authorization grant does not correctly validate the device code and client ID. An attacker client could abuse the missing validation to spoof a client consent request and trick an authorization admin into granting consent to a malicious OAuth client or possible unauthorized access to an existing OAuth client.
Weakness: CWE-358
Which versions are affected by CVE-2023-2585?
4 open source packages ship an affected version, including org.keycloak:keycloak-server-spi-private and org.keycloak:keycloak-services. It affects 5 products.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-server-spi-private Maven | All versions | 21.1.2 |
org.keycloak:keycloak-server-spi-private Maven | All versions | 21.1.2 |
org.keycloak:keycloak-services Maven | All versions | 21.1.2 |
org.keycloak:keycloak-services Maven | All versions | 21.1.2 |
Products include Redhat Openshift Container Platform, Redhat Openshift Container Platform for Ibm Z, Redhat Openshift Container Platform for Linuxone, Redhat Openshift Container Platform for Power, Redhat Single Sign-On.
How do I fix CVE-2023-2585?
Upgrade org.keycloak:keycloak-server-spi-private to 21.1.2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-2585 being exploited?
There is no known exploitation of CVE-2023-2585 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift Container Platform
- CVE-2020-27836 Missing authorization in cluster-ingress-operator
- CVE-2018-1085 Misconfiguration in openshift-ansible
- CVE-2026-54099 Privilege escalation in Red Hat OpenShift Container Platform 4
- CVE-2026-1784 Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
- CVE-2021-20182 Privilege escalation in openshift
Sources
Also known as GHSA-f5h4-wmp5-xhg6.