Bug 1902136 (CVE-2020-8236) - CVE-2020-8236 nextcloud: PIN for passwordless WebAuthn is asked for but not verified
Summary: CVE-2020-8236 nextcloud: PIN for passwordless WebAuthn is asked for but not v...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-8236
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1902138
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-11-27 03:54 UTC by Dhananjay Arunesh
Modified: 2021-10-28 05:27 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed: 2021-10-28 05:27:44 UTC
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Description Dhananjay Arunesh 2020-11-27 03:54:36 UTC 
A  wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.

References:
https://hackerone.com/reports/924393
https://nextcloud.com/security/advisory/?id=NC-SA-2020-037
Comment 1 Dhananjay Arunesh 2020-11-27 04:24:41 UTC 
Created nextcloud tracking bugs for this issue:

Affects: fedora-32 [bug 1902138]
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