Vulnerability-Lookup

BDU:2024-04939 (CVE-2024-4540)

Vulnerability from fstec – Published: 2024-07-03 – Updated: 2024-07-03 – View on bdu.fstec.ru Fixed

Title

Уязвимость механизма авторизации OAuth 2.0 Pushed Authorization Requests программного средства для управления идентификацией и доступом Keycloak, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

Summary

Уязвимость механизма авторизации OAuth 2.0 Pushed Authorization Requests программного средства для управления идентификацией и доступом Keycloak связана с хранением служебных данных в открытом виде в файле cookie KC_RESTART. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, получить несанкционированный доступ к защищаемой информации путем отправки запроса request_uri

Severity

7.8 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:C/I:N/A:N

7.5 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Class

Architecture vulnerability

Status

Confirmed by the vendor

Exploitation

Information gathering

Incidents

Being clarified

Remediation

Software update

CWE

CWE-200 - Раскрытие информации
CWE-315 - Незашифрованное хранение критичной информации в cookie-файле

Aliases

CVE-2024-4540

References

3 references

URL
https://access.redhat.com/security/cve/CVE-2024-4540
https://bugzilla.redhat.com/show_bug.cgi?id=2279303
https://avd.aquasec.com/nvd/2024/cve-2024-4540/

Impacted products

3 products from 2 vendors

Vendors

Red Hat, Inc.

Products

Red Hat Single Sign-On, Red Hat Enterprise Linux, Red Hat Build of Keycloak

Versions

7 (Red Hat Single Sign-On), 8 based Middleware Containers (Red Hat Enterprise Linux), 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 (Red Hat Single Sign-On), - (Red Hat Build of Keycloak), 22 (Red Hat Build of Keycloak), 24 (Red Hat Build of Keycloak)

Product types

Network software, Operating system, Application software

Platforms

Red Hat, Inc. Red Hat Enterprise Linux 8 based Middleware Containers

Mitigations

Использование рекомендаций: https://access.redhat.com/security/cve/CVE-2024-4540

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:N/A:N",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Red Hat, Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7 (Red Hat Single Sign-On), 8 based Middleware Containers (Red Hat Enterprise Linux), 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 (Red Hat Single Sign-On), - (Red Hat Build of Keycloak), 22 (Red Hat Build of Keycloak), 24 (Red Hat Build of Keycloak)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\nhttps://access.redhat.com/security/cve/CVE-2024-4540",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "06.05.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "03.07.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "03.07.2024",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2024-04939",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2024-4540",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Red Hat Single Sign-On, Red Hat Enterprise Linux, Red Hat Build of Keycloak",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Red Hat, Inc. Red Hat Enterprise Linux 8 based Middleware Containers ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438 OAuth 2.0 Pushed Authorization Requests \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u043e\u043c Keycloak, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 (CWE-200), \u041d\u0435\u0437\u0430\u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 cookie-\u0444\u0430\u0439\u043b\u0435 (CWE-315)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438 OAuth 2.0 Pushed Authorization Requests \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u043e\u043c Keycloak \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0441\u043b\u0443\u0436\u0435\u0431\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0432\u0438\u0434\u0435 \u0432 \u0444\u0430\u0439\u043b\u0435 cookie KC_RESTART. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043f\u0443\u0442\u0435\u043c \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 request_uri",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0441\u0431\u043e\u0440 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://access.redhat.com/security/cve/CVE-2024-4540 \nhttps://bugzilla.redhat.com/show_bug.cgi?id=2279303\nhttps://avd.aquasec.com/nvd/2024/cve-2024-4540/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u0421\u0435\u0442\u0435\u0432\u043e\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e, \u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-200, CWE-315",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,5)"
}

CVE-2024-4540 (GCVE-0-2024-4540)

Vulnerability from cvelistv5 – Published: 2024-06-03 15:33 – Updated: 2026-03-26 23:13

Title

Keycloak: exposure of sensitive information in pushed authorization requests (par) kc_restart cookie

Summary

A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a `request_uri` authorization request, possibly leading to an information disclosure vulnerability.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-06-03 16:13 UTC

CWE

CWE-312 - Cleartext Storage of Sensitive Information

Assigner

redhat redhat root

References

11 references

URL	Tags
https://access.redhat.com/errata/RHSA-2024:3566	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3567	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3568	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3570	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3572	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3573	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3574	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3575	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3576	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2024-4540	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2279303	issue-trackingx_refsource_REDHAT

Impacted products

12 products

Vendor	Product	Version
		Unaffected: d5e82356f90893ca3b308a7e10020103e402369a , < * (git)
Red Hat	Red Hat Build of Keycloak	cpe:/a:redhat:build_keycloak:22
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22.0.11-2 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22-15 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22-18 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 24	Unaffected: 24.0.5-2 , < * (rpm) cpe:/a:redhat:build_keycloak:24::el9
Red Hat	Red Hat build of Keycloak 24	Unaffected: 24-10 , < * (rpm) cpe:/a:redhat:build_keycloak:24::el9
Red Hat	Red Hat Single Sign-On 7	cpe:/a:redhat:red_hat_single_sign_on:7.6
Red Hat	Red Hat Single Sign-On 7.6 for RHEL 7	Unaffected: 0:18.0.14-1.redhat_00001.1.el7sso , < * (rpm) cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
Red Hat	Red Hat Single Sign-On 7.6 for RHEL 8	Unaffected: 0:18.0.14-1.redhat_00001.1.el8sso , < * (rpm) cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
Red Hat	Red Hat Single Sign-On 7.6 for RHEL 9	Unaffected: 0:18.0.14-1.redhat_00001.1.el9sso , < * (rpm) cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Red Hat	RHEL-8 based Middleware Containers	Unaffected: 7.6-49 , < * (rpm) cpe:/a:redhat:rhosemc:1.0::el8

Date Public

2024-06-03 00:00

Credits

Red Hat would like to thank Manuel Schallar for reporting this issue.

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

BDU:2024-04939 (CVE-2024-4540)

CVE-2024-4540 (GCVE-0-2024-4540)

Tags

Sightings

Nomenclature

Related by attack behaviour