Description
A flaw was found in Keycloak's SAML brokering functionality. When Keycloak is configured as a client in a Security Assertion Markup Language (SAML) setup, it fails to validate the `NotOnOrAfter` timestamp within the `SubjectConfirmationData`. This allows an attacker to delay the expiration of SAML responses, potentially extending the time a response is considered valid and leading to unexpected session durations or resource consumption.
Details
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| org.keycloak:keycloak-services | โ | โ |
| unknown | โ | โ |
References
Similar Threats
- Low CVE-2021-3754
- Low CVE-2023-0657
- Medium CVE-2023-3597
- High CVE-2023-6291
- Medium CVE-2023-6134
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