GHSA-pcv5-m2wh-66j3

ghsaUSosv

Keycloak discloses information without authentication

view advisory published 2022-05-24Licence: CC-BY-4.0

A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2020-27838US	medium6.5	17.9% (97th)	Exploit	2021-03-08
A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authenticat…

references

External citations — patches, advisories, analysis.

https://bugzilla.redhat.com/show_bug.cgi?id=1906797WEB
https://github.com/keycloak/keycloak/commit/9356843c6c3d7097d010b3bb6f91e25fcaba378cWEB
https://github.com/keycloak/keycloak/pull/7790WEB
https://nvd.nist.gov/vuln/detail/CVE-2020-27838ADVISORY

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