CVE-2021-3716

CVE Details

Release Date:2022-03-02

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.

See more information about CVE-2021-3716 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 3.1 Base Metrics: AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Access Vector: Network Attack Complexity: High
Privileges Required: Low User Interaction: None
Scope: Unchanged Confidentiality Impact: None
Integrity Impact: None Availability Impact: Low

Errata information


PlatformErrataRelease Date
Oracle Linux version 8 (hivex)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libguestfs)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libguestfs-winsupport)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libiscsi)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libnbd)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libtpms)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libvirt)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libvirt-dbus)ELSA-2022-17592022-05-17
Oracle Linux version 8 (libvirt-python)ELSA-2022-17592022-05-17
Oracle Linux version 8 (nbdkit)ELSA-2022-17592022-05-17
Oracle Linux version 8 (netcf)ELSA-2022-17592022-05-17
Oracle Linux version 8 (perl-Sys-Virt)ELSA-2022-17592022-05-17
Oracle Linux version 8 (qemu-kvm)ELSA-2022-17592022-05-17
Oracle Linux version 8 (seabios)ELSA-2022-17592022-05-17
Oracle Linux version 8 (sgabios)ELSA-2022-17592022-05-17
Oracle Linux version 8 (supermin)ELSA-2022-17592022-05-17
Oracle Linux version 8 (swtpm)ELSA-2022-17592022-05-17
Oracle Linux version 8 (virt-v2v)ELSA-2022-17592022-05-17



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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