A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerability is to system availability.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-03-02T22:19:03

Updated: 2024-08-03T17:01:08.173Z

Reserved: 2021-08-18T00:00:00

Link: CVE-2021-3716

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2022-03-02T23:15:09.013

Modified: 2023-07-07T19:27:45.270

Link: CVE-2021-3716

cve-icon Redhat

Severity : Low

Publid Date: 2021-08-16T00:00:00Z

Links: CVE-2021-3716 - Bugzilla