rclone: Unbounded HTTP CONNECT Response Headers Can Exhaust rclone Memory

Summary The shared HTTP CONNECT helper parses a proxy response with http.ReadResponse over an unrestricted buffered reader. The production helper accepted a valid response containing a 2 MiB header in three consecutive runs. A malicious or compromised configured proxy, or an active on-path actor...

nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS

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 NBDOPTSTRUCTUREDREPLY before proxying everything else a client sends to the server, potentially leading the client to terminat...

UBUNTU-CVE-2021-3716

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 NBDOPTSTRUCTUREDREPLY before proxying everything else a client sends to the server, potentially leading the client to terminat...