Medium severity · published Aug 25, 2022
CVE-2021-3979
A key length flaw was found in Red Hat Ceph Storage
6.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Ceph Storage · Redhat
3.0; 4.3; 5.1; 4.0; 5.0; 4.0; +1 more · source: NVD
CS
Ceph Storage For Ibm Z Systems · Redhat
4.0 · source: NVD
CS
Ceph Storage For Power · Redhat
4.0; 4.0 · source: NVD
FE
Fedora · Fedoraproject
35; 37 · source: NVD
OC
Openshift Container Storage · Redhat
4.0 · source: NVD
OD
Openshift Data Foundation · Redhat
4.0 · source: NVD
OP
Openstack Platform · Redhat
13.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3979
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3979
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-3979
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2024788
Patch
https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656
Patch
https://github.com/ceph/ceph/pull/44765
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/
More from Fedora
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2024-4577
Argument Injection in PHP-CGI
9.8
CVE-2021-44026
Roundcube Webmail SQL Injection Vulnerability
9.8
CVE-2021-42013
Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)
