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wid-sec-w-2023-3156
Vulnerability from csaf_certbund
Published
2023-12-14 23:00
Modified
2024-07-01 22:00
Summary
Keycloak: Mehrere Schwachstellen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.
Red Hat Single Sign-On ist ein eigenständiger Server, basierend auf dem Keycloak Projekt.
Angriff
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service zu verursachen.
Betroffene Betriebssysteme
- Linux
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "Keycloak erm\u00f6glicht Single Sign-On mit Identity and Access Management f\u00fcr moderne Anwendungen und Dienste.\r\nRed Hat Single Sign-On ist ein eigenst\u00e4ndiger Server, basierend auf dem Keycloak Projekt.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service zu verursachen.", "title": "Angriff" }, { "category": "general", "text": "- Linux", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2023-3156 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-3156.json" }, { "category": "self", "summary": "WID-SEC-2023-3156 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-3156" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2024:0799 vom 2024-02-14", "url": "https://access.redhat.com/errata/RHSA-2024:0799" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2024:0804 vom 2024-02-13", "url": "https://access.redhat.com/errata/RHSA-2024:0804" }, { "category": "external", "summary": "RedHat Security Advisory vom 2023-12-14", "url": "https://access.redhat.com/errata/RHSA-2023:7854" }, { "category": "external", "summary": "RedHat Security Advisory vom 2023-12-14", "url": "https://access.redhat.com/errata/RHSA-2023:7855" }, { "category": "external", "summary": "RedHat Security Advisory vom 2023-12-14", "url": "https://access.redhat.com/errata/RHSA-2023:7856" }, { "category": "external", "summary": "RedHat Security Advisory vom 2023-12-14", "url": "https://access.redhat.com/errata/RHSA-2023:7857" }, { "category": "external", "summary": "RedHat Security Advisory vom 2023-12-14", "url": "https://access.redhat.com/errata/RHSA-2023:7858" }, { "category": "external", "summary": "RedHat Security Advisory vom 2023-12-14", "url": "https://access.redhat.com/errata/RHSA-2023:7860" }, { "category": "external", "summary": "RedHat Security Advisory vom 2023-12-14", "url": "https://access.redhat.com/errata/RHSA-2023:7861" }, { "category": "external", "summary": "Hitachi Vulnerability Information HITACHI-SEC-2024-133 vom 2024-07-02", "url": "https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2024-133/index.html" } ], "source_lang": "en-US", "title": "Keycloak: Mehrere Schwachstellen", "tracking": { "current_release_date": "2024-07-01T22:00:00.000+00:00", "generator": { "date": "2024-08-15T18:02:51.356+00:00", "engine": { "name": "BSI-WID", "version": "1.3.5" } }, "id": "WID-SEC-W-2023-3156", "initial_release_date": "2023-12-14T23:00:00.000+00:00", "revision_history": [ { "date": "2023-12-14T23:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2024-02-13T23:00:00.000+00:00", "number": "2", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2024-07-01T22:00:00.000+00:00", "number": "3", "summary": "Neue Updates von HITACHI aufgenommen" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Hitachi Ops Center", "product": { "name": "Hitachi Ops Center", "product_id": "T017562", "product_identification_helper": { "cpe": "cpe:/a:hitachi:ops_center:-" } } } ], "category": "vendor", "name": "Hitachi" }, { "branches": [ { "category": "product_name", "name": "Open Source Keycloak", "product": { "name": "Open Source Keycloak", "product_id": "T024196", "product_identification_helper": { "cpe": "cpe:/a:keycloak:keycloak:-" } } } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux", "product": { "name": "Red Hat Enterprise Linux", "product_id": "67646", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } }, { "branches": [ { "category": "product_version_range", "name": "\u003c7.6.6", "product": { "name": "Red Hat Single Sign On \u003c7.6.6", "product_id": "T031713" } } ], "category": "product_name", "name": "Single Sign On" } ], "category": "vendor", "name": "Red Hat" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-6291", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle in Keycloak und Red Hat Single Sign On. Die Ursache ist ein Problem in der redirect_uri Validierungslogik. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "67646", "T024196", "T017562" ] }, "release_date": "2023-12-14T23:00:00.000+00:00", "title": "CVE-2023-6291" }, { "cve": "CVE-2023-6563", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle in Keycloak und Red Hat Single Sign On. Unter bestimmten Umst\u00e4nden kann die Benutzeroberfl\u00e4che dazu gebracht werden, eine gro\u00dfe Anzahl von Offline-Client-Sitzungen zu laden, was zu einem \u00fcberm\u00e4\u00dfigen Speicher- und CPU-Verbrauch f\u00fchrt. Ein authentisierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen." } ], "product_status": { "known_affected": [ "67646", "T024196", "T017562" ] }, "release_date": "2023-12-14T23:00:00.000+00:00", "title": "CVE-2023-6563" } ] }
CVE-2023-6563 (GCVE-0-2023-6563)
Vulnerability from cvelistv5
Published
2023-12-14 18:01
Modified
2025-08-07 11:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
An unconstrained memory consumption vulnerability was discovered in Keycloak. It can be triggered in environments which have millions of offline tokens (> 500,000 users with each having at least 2 saved sessions). If an attacker creates two or more user sessions and then open the "consents" tab of the admin User Interface, the UI attempts to load a huge number of offline client sessions leading to excessive memory and CPU consumption which could potentially crash the entire system.
References
► | URL | Tags | ||||||||||||||||||||||||
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Impacted products
Vendor | Product | Version | ||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
► | Red Hat | Red Hat Single Sign-On 7.6 for RHEL 7 |
Unaffected: 0:18.0.11-2.redhat_00003.1.el7sso < * cpe:/a:redhat:red_hat_single_sign_on:7.6::el7 |
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CVE-2023-6291 (GCVE-0-2023-6291)
Vulnerability from cvelistv5
Published
2024-01-26 14:23
Modified
2025-08-07 12:06
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Summary
A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.
References
Impacted products
Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
► | Red Hat | Red Hat build of Keycloak 22 |
Unaffected: 22.0.7-1 < * cpe:/a:redhat:build_keycloak:22::el9 |
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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