CVE-2024-9666

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Source
https://cve.org/CVERecord?id=CVE-2024-9666
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-9666.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-9666
Aliases
Related
Published
2024-11-25T07:29:52.073Z
Modified
2026-07-16T03:47:21.093662974Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Org.keycloak/keycloak-quarkus-server: keycloak proxy header handling denial-of-service (dos) vulnerability
Details

A vulnerability was found in the Keycloak Server. The Keycloak Server is vulnerable to a denial of service (DoS) attack due to improper handling of proxy headers. When Keycloak is configured to accept incoming proxy headers, it may accept non-IP values, such as obfuscated identifiers, without proper validation. This issue can lead to costly DNS resolution operations, which an attacker could exploit to tie up IO threads and potentially cause a denial of service. The attacker must have access to send requests to a Keycloak instance that is configured to accept proxy headers, specifically when reverse proxies do not overwrite incoming headers, and Keycloak is configured to trust these headers.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/9xxx/CVE-2024-9666.json",
    "cna_assigner": "redhat",
    "cwe_ids": [
        "CWE-444"
    ]
}
References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type
GIT
Repo
https://github.com/keycloak/keycloak
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
fb2bd05840ea10b0411379a89efd470f066c8aa2
Introduced
5279b7f4530afc3c05699a2d8bbcdd18f557b6a9
Fixed
5ded193f7713fc9993c381177b70b6cbac0e92a0
Database specific 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "24.0.9"
        },
        {
            "introduced": "25.0.0"
        },
        {
            "fixed": "26.0.6"
        }
    ]
}

Affected versions

1.*
1.0-alpha-1
1.0-alpha-1-12062013
1.0-alpha-2
1.0-alpha-3
1.0-beta-1
1.0-beta-2
1.0-beta-4
1.0-final
1.0-rc-1
1.0.0.Final
1.1.0.Beta2
1.3.0.Final
2.*
2.4.0.Test

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-9666.json"