keycloak-core: open redirect via "form_post.jwt" JARM response mode
An incomplete fix was found in Keycloak Core patch. An attacker can steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt". It is observed that changing the response_mode parameter in the original proof of concept from "form_post" to "form_post.jwt" can bypass the security patch implemented to address CVE-2023-6134.
01
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2023-6927US | medium6.1 | — | ||
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which… | ||||
02
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/errata/RHSA-2024:0094WEB
- https://access.redhat.com/errata/RHSA-2024:0095WEB
- https://access.redhat.com/errata/RHSA-2024:0096WEB
- https://access.redhat.com/errata/RHSA-2024:0097WEB
- https://access.redhat.com/errata/RHSA-2024:0098WEB
- https://access.redhat.com/errata/RHSA-2024:0100WEB
- https://access.redhat.com/errata/RHSA-2024:0101WEB
- https://access.redhat.com/security/cve/CVE-2023-6927WEB
scry
Advisories wie diese benennen die exponierten Produkte, die Angreifer auf Ihrer Angriffsfläche ins Visier nehmen. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.
Kostenloser Scan