CVE Vulnerability

CVE-2021-3979

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.

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-3979 Vendor Advisory
https://tracker.ceph.com/issues/54006 Issue Tracking Vendor Advisory
https://github.com/ceph/ceph/pull/44765 Patch Third Party Advisory
https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2024788 Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/
Configurations

Configuration 1

cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_storage:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_data_foundation:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:ceph_storage_for_ibm_z_systems:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ceph_storage:4.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ceph_storage:5.1:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Information

Published : 2022-08-25 08:15

Updated : 2023-02-12 11:42

NVD link : CVE-2021-3979

Mitre link : CVE-2021-3979

Products Affected

Enterprise Linux

Redhat

CWE
CWE-327