CVE-2021-3979
ceph: Ceph volume does not honour osd_dmcrypt_key_size
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha encontrado un fallo de longitud de clave en Red Hat Ceph Storage. Un atacante puede explotar el hecho de que la longitud de la clave se pasa incorrectamente en un algoritmo de cifrado para crear una clave no aleatoria, que es más débil y puede ser explotada para la pérdida de confidencialidad e integridad en los discos cifrados.
Mark Kirkwood discovered that Ceph incorrectly handled certain key lengths. An attacker could possibly use this issue to create non-random encryption keys. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that Ceph incorrectly handled the volumes plugin. An attacker could possibly use this issue to obtain access to any share. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-11-19 CVE Reserved
- 2022-04-05 CVE Published
- 2025-02-13 CVE Updated
- 2025-05-16 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-287: Improper Authentication
- CWE-327: Use of a Broken or Risky Cryptographic Algorithm
CAPEC
References (7)
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656 | 2023-10-23 | |
| https://github.com/ceph/ceph/pull/44765 | 2023-10-23 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Ceph Storage Search vendor "Redhat" for product "Ceph Storage" | 4.0 Search vendor "Redhat" for product "Ceph Storage" and version "4.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Ceph Storage Search vendor "Redhat" for product "Ceph Storage" | 5.0 Search vendor "Redhat" for product "Ceph Storage" and version "5.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Ceph Storage For Power Search vendor "Redhat" for product "Ceph Storage For Power" | 4.0 Search vendor "Redhat" for product "Ceph Storage For Power" and version "4.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Ceph Storage Search vendor "Redhat" for product "Ceph Storage" | 4.0 Search vendor "Redhat" for product "Ceph Storage" and version "4.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Ceph Storage Search vendor "Redhat" for product "Ceph Storage" | 5.0 Search vendor "Redhat" for product "Ceph Storage" and version "5.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Ceph Storage For Power Search vendor "Redhat" for product "Ceph Storage For Power" | 4.0 Search vendor "Redhat" for product "Ceph Storage For Power" and version "4.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Ceph Storage Search vendor "Redhat" for product "Ceph Storage" | 3.0 Search vendor "Redhat" for product "Ceph Storage" and version "3.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Ceph Storage Search vendor "Redhat" for product "Ceph Storage" | 4.3 Search vendor "Redhat" for product "Ceph Storage" and version "4.3" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Ceph Storage Search vendor "Redhat" for product "Ceph Storage" | 5.1 Search vendor "Redhat" for product "Ceph Storage" and version "5.1" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Container Storage Search vendor "Redhat" for product "Openshift Container Storage" | 4.0 Search vendor "Redhat" for product "Openshift Container Storage" and version "4.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Data Foundation Search vendor "Redhat" for product "Openshift Data Foundation" | 4.0 Search vendor "Redhat" for product "Openshift Data Foundation" and version "4.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openstack Platform Search vendor "Redhat" for product "Openstack Platform" | 13.0 Search vendor "Redhat" for product "Openstack Platform" and version "13.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Ceph Storage For Ibm Z Systems Search vendor "Redhat" for product "Ceph Storage For Ibm Z Systems" | 4.0 Search vendor "Redhat" for product "Ceph Storage For Ibm Z Systems" and version "4.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 37 Search vendor "Fedoraproject" for product "Fedora" and version "37" | - |
Affected
| ||||||