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.

CVSS v3.0 6.5 MEDIUM

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 (hide)

OR	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:::::::*

Configuration 2 (hide)

AND

OR	cpe:2.3:a:redhat:ceph_storage:4.0:::::::*
	cpe:2.3:a:redhat:ceph_storage:5.0:::::::*
	cpe:2.3:a:redhat:ceph_storage_for_power:4.0:::::::*

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

OR	cpe:2.3:a:redhat:ceph_storage:4.0:::::::*
	cpe:2.3:a:redhat:ceph_storage:5.0:::::::*
	cpe:2.3:a:redhat:ceph_storage_for_power:4.0:::::::*

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:35:::::::*
	cpe:2.3:o:fedoraproject:fedora:37:::::::*

Information

Published : 2022-08-25 13:15

Updated : 2023-02-12 15:42

NVD link : CVE-2021-3979

Mitre link : CVE-2021-3979

JSON object : View

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

Products Affected

redhat

ceph_storage_for_power
openshift_data_foundation
enterprise_linux
openstack_platform
ceph_storage_for_ibm_z_systems
ceph_storage
openshift_container_storage

fedoraproject

fedora

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://access.redhat.com/security/cve/CVE-2021-3979", "name": "https://access.redhat.com/security/cve/CVE-2021-3979", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://tracker.ceph.com/issues/54006", "name": "https://tracker.ceph.com/issues/54006", "tags": ["Issue Tracking", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/ceph/ceph/pull/44765", "name": "https://github.com/ceph/ceph/pull/44765", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656", "name": "https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024788", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2024788", "tags": ["Issue Tracking", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/", "name": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-327"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-3979", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}}, "publishedDate": "2022-08-25T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:openshift_container_storage:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:openshift_data_foundation:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:ceph_storage_for_ibm_z_systems:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage:4.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage:5.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage_for_power:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:ceph_storage_for_power:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-12T23:42Z"}

6.5 /10