Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 36.0%
CVSS Severity
CVSS v3 Score 6.5
References
- https://access.redhat.com/security/cve/CVE-2021-3979
- https://bugzilla.redhat.com/show_bug.cgi?id=2024788
- https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656
- https://github.com/ceph/ceph/pull/44765
- https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/
- https://tracker.ceph.com/issues/54006
- https://access.redhat.com/security/cve/CVE-2021-3979
- https://bugzilla.redhat.com/show_bug.cgi?id=2024788
- https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656
- https://github.com/ceph/ceph/pull/44765
- https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/
- https://tracker.ceph.com/issues/54006
Products affected by CVE-2021-3979
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cpe:2.3:a:redhat:ceph_storage:3.0
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cpe:2.3:a:redhat:ceph_storage:4.0
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cpe:2.3:a:redhat:ceph_storage:4.3
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cpe:2.3:a:redhat:ceph_storage:5.0
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cpe:2.3:a:redhat:ceph_storage:5.1
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cpe:2.3:a:redhat:ceph_storage_for_power:4.0
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cpe:2.3:a:redhat:openshift_container_storage:4.0
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cpe:2.3:a:redhat:openshift_data_foundation:4.0
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cpe:2.3:a:redhat:openstack_platform:13.0
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cpe:2.3:o:fedoraproject:fedora:35
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cpe:2.3:o:fedoraproject:fedora:37
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cpe:2.3:o:redhat:ceph_storage_for_ibm_z_systems:4.0
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0