CVE-2023-6544

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2023-6544
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-6544.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-6544
Aliases
Downstream
CGA (10)
RHSA (3)
Published
2024-04-25T15:58:47Z
Modified
2026-10-16T02:54:07Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
Keycloak: authorization bypass
Details

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.

Database specific 
{
    "cna_assigner": "redhat",
    "cwe_ids": [
        "CWE-625"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6544.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "fixed": "22.0.10-1"
                        },
                        {
                            "fixed": "22-13"
                        },
                        {
                            "fixed": "22-16"
                        },
                        {
                            "fixed": "0:18.0.13-1.redhat_00001.1.el7sso"
                        },
                        {
                            "fixed": "0:18.0.13-1.redhat_00001.1.el8sso"
                        },
                        {
                            "fixed": "0:18.0.13-1.redhat_00001.1.el9sso"
                        },
                        {
                            "fixed": "7.6-46"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "InverseAffectedRanges"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type
GIT
Repo
https://github.com/keycloak/keycloak
Events
Introduced
b825ba97b489d715f7ca1984c19bd95afb355a38
Fixed
bf8c3c32e53449a632381605f1162fafe9abe8eb
Introduced
1d4ce3d8e9dbc9af996f9248996c78e145902a35
Fixed
27d38787d9eae0854f79a358cda77f834008b71a
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "22.0.0"
                },
                {
                    "fixed": "22.0.10"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "introduced": "23.0.0"
                },
                {
                    "fixed": "24.0.3"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-6544.json"