CVE-2021-3716

Name of the Vulnerable Software and Affected Versions nbdkit (affected versions not specified)

Description A flaw was found in nbdkit due 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.