Vulnerability in Red Hat Build Of Keycloak 22
CVE-2023-6544
A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Red Hat Build Of Keycloak 22 — versions 22.0.10-1, 22-13, 22-16
- Red Hat Build Of Keycloak 22.0.10
- Red Hat Single Sign-On 7.6 For Rhel 7 — versions 0:18.0.13-1.redhat_00001.1.el7sso
- Red Hat Single Sign-On 7.6 For Rhel 8 — versions 0:18.0.13-1.redhat_00001.1.el8sso
- Red Hat Single Sign-On 7.6 For Rhel 9 — versions 0:18.0.13-1.redhat_00001.1.el9sso
- Red Hat Rhel-8 Based Middleware Containers — versions 7.6-46
- Red Hat Rhsso 7.6.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2024:1860 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1861 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1862 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1864 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1866 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1867 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1868 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2023-6544 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
Frequently asked questions
- What is CVE-2023-6544?
- CVE-2023-6544 is a medium-severity vulnerability in Red Hat Build Of Keycloak 22, classified under CWE-625. CVSS score: 5.4/10. Published 2024-04-25.
- How severe is CVE-2023-6544?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2023-6544 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.