An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=verbose, and an attacker has silently modified the server to support the None authentication option, then the user cannot determine whether FIDO authentication is going to confirm that the user wishes to connect to that server, or that the user wishes to allow that server to connect to a different server on the user's behalf. NOTE: the vendor's position is "this is not an authentication bypass, since nothing is being bypassed.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-03-12T23:24:35

Updated: 2024-08-04T00:54:51.549Z

Reserved: 2021-07-09T00:00:00

Link: CVE-2021-36368

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-03-13T00:15:07.937

Modified: 2024-08-04T01:15:42.867

Link: CVE-2021-36368

cve-icon Redhat

Severity :

Publid Date: 2022-03-13T00:00:00Z

Links: CVE-2021-36368 - Bugzilla