Keycloak vulnerable to Improper Certificate Validation
keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity. This issue was partially fixed in version [13.0.1](https://github.com/keycloak/keycloak/pull/6330) and more completely fixed in version [14.0.0](https://github.com/keycloak/keycloak/pull/8067).
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-35509US | medium5.4 | — | ||
A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validati… | ||||
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references
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2020-35509WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=1912427WEB
- https://github.com/keycloak/keycloakPACKAGE
- https://github.com/keycloak/keycloak/blob/4f330f4a57cbfcf6202b60546518261c66e59a35/services/src/main/java/org/keycloak/authentication/authenticators/x509/ValidateX509CertificateUsername.java#L74-L76WEB
- https://github.com/keycloak/keycloak/commit/478319348bdfdb9b6d39122f41edf2af79f679bbWEB
- https://github.com/keycloak/keycloak/pull/6330WEB
- https://github.com/keycloak/keycloak/pull/8067WEB
- https://nvd.nist.gov/vuln/detail/CVE-2020-35509ADVISORY
scry
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