CVE-2021-3716
- State
- Published
- Severity
- Not scored
- Published
- Mar 2, 2022
- Updated
- Aug 3, 2024
- Reserved
- Aug 18, 2021
Description
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.
Scores
The record has no CVSS score.
Weaknesses
Affected Products
| Product | Versions |
|---|---|
nbdkitn/a |
|
References
- https://www.openwall.com/lists/oss-security/2021/08/18/2
- https://listman.redhat.com/archives/libguestfs/2021-August/msg00083.html
- https://gitlab.com/nbdkit/nbdkit/-/commit/09a13dafb7bb3a38ab52eb5501cba786365ba7fd
- https://gitlab.com/nbdkit/nbdkit/-/commit/6c5faac6a37077cf2366388a80862bb00616d0d8
- https://bugzilla.redhat.com/show_bug.cgi?id=1994695
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