GHSA-9g98-5mj6-f9mv

Keycloak vulnerable to user impersonation via stolen UUID code

Source: GitHub Advisory Database (reviewed) High CVE-2023-0264

Packages

Ecosystem	Package	Affected	Fixed in
Maven	org.keycloak:keycloak-services	< 21.0.1	21.0.1

Details

As written in the advisory (Markdown source, shown as plain text).

Keycloak's OpenID Connect user authentication was found to incorrectly authenticate requests. An authenticated attacker who could also obtain a certain piece of info from a user request, from a victim within the same realm, could use that data to impersonate the victim and generate new session tokens.

References

External links from the advisory. They lead to third-party sites.

https://github.com/keycloak/keycloak/security/advisories/GHSA-9g98-5mj6-f9mv web
https://nvd.nist.gov/vuln/detail/CVE-2023-0264 advisory
https://github.com/keycloak/keycloak/commit/ec8109112e67208c13e13f6d1f8706a5a3ba8d4c web
https://access.redhat.com/security/cve/CVE-2023-0264 web
https://github.com/keycloak/keycloak package