Bug 1978196 (CVE-2021-3632)

Summary: CVE-2021-3632 keycloak: Anyone can register a new device when there is no device registered for passwordless login
Product: [Other] Security Response Reporter: Paramvir jindal <pjindal>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: aboyko, aileenc, akoufoud, alazarot, almorale, anstephe, avibelli, bgeorges, bibryam, chazlett, cmoulliard, dkreling, drieden, etirelli, ggaughan, gmalinko, hbraun, ibek, ikanello, janstey, jochrist, jpallich, jrokos, jstastny, jwon, krathod, kverlaen, lthon, mnovotny, mszynkie, pantinor, pdrozd, peholase, pgallagh, pjindal, rrajasek, rruss, sthorger, tzimanyi
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-09-14 18:21:18 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1978191    

Description Paramvir jindal 2021-07-01 09:44:30 UTC
Anyone can register a new device when there is no device registered for passwordless login for any user.

https://issues.redhat.com/browse/KEYCLOAK-18500

Comment 3 Paramvir jindal 2021-07-01 09:50:18 UTC
Although this feature of passwordless login using WebAuthn is still in tech preview for RHSSO 7.4.7 but it is there and can be enabled if desired by admin :

https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/html/server_administration_guide/authentication#webauthn

Comment 8 errata-xmlrpc 2021-09-14 12:31:24 UTC
This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.4 for RHEL 7

Via RHSA-2021:3528 https://access.redhat.com/errata/RHSA-2021:3528

Comment 9 errata-xmlrpc 2021-09-14 12:32:28 UTC
This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.4 for RHEL 8

Via RHSA-2021:3529 https://access.redhat.com/errata/RHSA-2021:3529

Comment 10 errata-xmlrpc 2021-09-14 12:34:34 UTC
This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.4 for RHEL 6

Via RHSA-2021:3527 https://access.redhat.com/errata/RHSA-2021:3527

Comment 11 errata-xmlrpc 2021-09-14 12:38:03 UTC
This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.4.9

Via RHSA-2021:3534 https://access.redhat.com/errata/RHSA-2021:3534

Comment 12 Product Security DevOps Team 2021-09-14 18:21:18 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-3632