GHSA-69fp-7c8p-crjr

Keycloak exposes sensitive information in Pushed Authorization Requests (PAR)

At a glance

Published
Updated
CVE
CVE-2024-4540
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

A flaw was found in Keycloak in the 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. This could lead to an information disclosure vulnerability.

Affected packages

PackageVersions
Maven · org.keycloak:keycloak-servicesintroduced 0, fixed 24.0.5

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database