CVE-2017-12160

Description

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks.

CVSS Metrics

• v3.1•HIGH•Score: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
• v2.0•MEDIUM•Score: 6.5AV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.57%• Percentile: 69%

Techniques & Countermeasures

• CWE-285•Improper Authorization

  The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

• CWE-287•Improper Authentication

  When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Systems

• org.keycloak•keycloak-parent

  < 3.3.0.Final

• red hat, inc.•keycloak

  3.4.0

• redhat•keycloak

  na

References (6)

• https://access.redhat.com/errata/RHSA-2017:2904
• https://access.redhat.com/errata/RHSA-2017:2905
• https://access.redhat.com/errata/RHSA-2017:2906
• https://bugzilla.redhat.com/show_bug.cgi?id=1484154
• https://nvd.nist.gov/vuln/detail/CVE-2017-12160
• https://github.com/keycloak/keycloak