High [CVE-2023-6291] Keycloak: redirect_uri validation bypass
This high-severity Red Hat Linux advisory covers CVE-2023-6291 affecting Red Hat build of Keycloak 22.0.7, Red Hat Single Sign-On 7.6 for RHEL 7, Red Hat Single Sign-On 7.6 for RHEL 8.
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Summary
A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts.
A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users. Red Hat severity: Important — CVSS 7.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).
Weakness: CWE-601. Affected Red Hat products: Red Hat build of Keycloak 22; Red Hat build of Keycloak 22.0.7; Red Hat Single Sign-On 7; Red Hat Single Sign-On 7.6 for RHEL 7; Red Hat Single Sign-On 7.6 for RHEL 8; Red Hat Single Sign-On 7.6 for RHEL 9; RHEL-8 based Middleware Containers; Single Sign-On 7.6.6; Migration Toolkit for Applications 6.
Red Hat lists Migration Toolkit for Applications 7; OpenShift Serverless; Red Hat Data Grid 8; Red Hat Decision Manager 7; Red Hat Fuse 7; Red Hat JBoss Data Grid 7; Red Hat JBoss Enterprise Application Platform 6; Red Hat Process Automation 7 as not affected. Will not fix / out of support: Migration Toolkit for Applications 6.
Red Hat fixing advisory: RHSA-2023:7861, RHSA-2023:7860, RHSA-2024:0804, RHSA-2023:7854, RHSA-2024:0798, RHSA-2023:7856, RHSA-2024:0799, RHSA-2023:7855, RHSA-2024:0800, RHSA-2023:7857, RHSA-2024:0801, RHSA-2023:7858.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 21 days ago·verify at source
- rhbk/keycloak-operator-bundle:22.0.7-1
- rhbk/keycloak-rhel9:22-6
- rhbk/keycloak-rhel9-operator:22-9
- rh-sso7-keycloak
- rh-sso7-keycloak-0:18.0.11-2.redhat_00003.1.el7sso
- rh-sso7-keycloak-0:18.0.12-1.redhat_00001.1.el7sso
- rh-sso7-keycloak-0:18.0.11-2.redhat_00003.1.el8sso
- rh-sso7-keycloak-0:18.0.12-1.redhat_00001.1.el8sso
- rh-sso7-keycloak-0:18.0.11-2.redhat_00003.1.el9sso
- rh-sso7-keycloak-0:18.0.12-1.redhat_00001.1.el9sso
- rh-sso-7/sso76-openshift-rhel8:7.6-38
- rh-sso-7/sso7-rhel8-operator-bundle:7.6.6-2
- rh-sso-7/sso76-openshift-rhel8:7.6-41
- RHSA-2023:7861
- RHSA-2023:7860
- RHSA-2024:0804
- RHSA-2023:7854
- RHSA-2024:0798
- RHSA-2023:7856
- RHSA-2024:0799
- RHSA-2023:7855
- RHSA-2024:0800
- RHSA-2023:7857
- RHSA-2024:0801
- RHSA-2023:7858
Official advisory · high-confidence parse· fetched 21 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 21 days ago·verify at source
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