Open Redirect in Red Hat Build Of Keycloak 22
CVE-2023-6927
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
Vulnerability class: Open Redirect
EPSS: 0.011 (62.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Red Hat Build Of Keycloak 22 — versions 22-7
- Red Hat Build Of Keycloak 22.0.8
- Red Hat Single Sign-on 7
- Red Hat Single Sign-on 7.6 For Rhel 7 — versions 0:18.0.11-3.redhat_00001.1.el7sso, 0:18.0.12-1.redhat_00001.1.el7sso
- Red Hat Single Sign-on 7.6 For Rhel 8 — versions 0:18.0.11-3.redhat_00001.1.el8sso, 0:18.0.12-1.redhat_00001.1.el8sso
- Red Hat Single Sign-on 7.6 For Rhel 9 — versions 0:18.0.11-3.redhat_00001.1.el9sso, 0:18.0.12-1.redhat_00001.1.el9sso
- Red Hat Rhel-8 Based Middleware Containers — versions 7.6-39, 7.6-41
- Red Hat Single Sign-on 7.6.6
- Redhat Keycloak
- Redhat Single_sign-on — versions 7.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2023-6927?
- CVE-2023-6927 is a medium-severity vulnerability in Red Hat Build Of Keycloak 22, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.6/10. Published 2023-12-18.
- How severe is CVE-2023-6927?
- Medium severity. CVSS v3 base score is 4.6 out of 10.