CVE-2021-3979

medium

Description

A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encryption algorithm to create a non random key, which is weaker and can be exploited for loss of confidentiality and integrity on encrypted disks.

References

https://tracker.ceph.com/issues/54006

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/

https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html

https://github.com/ceph/ceph/pull/44765

https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656

https://bugzilla.redhat.com/show_bug.cgi?id=2024788

https://access.redhat.com/security/cve/CVE-2021-3979

Details

Source: Mitre, NVD

Published: 2022-08-25

Updated: 2023-10-23

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity: Medium