UBUNTU-CVE-2021-3979
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3979
UBUNTU-CVE-2021-3979
Published: 25 Aug 2022Last Modified: 22 Apr 2026
Upstream:
Aliases:
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2021-3979, https://www.openwall.com/lists/oss-security/2022/01/11/5, https://www.openwall.com/lists/oss-security/2022/01/12/5, https://ubuntu.com/security/notices/USN-6063-1, https://www.cve.org/CVERecord?id=CVE-2021-3979
Affected packages
Package
Name: ceph
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -12.2.13-0ubuntu0.18.04.11
Affected versions
12.2.0-0ubuntu1
12.2.1-0ubuntu1
12.2.2-0ubuntu1
12.2.2-0ubuntu2
12.2.4-0ubuntu1
12.2.4-0ubuntu1.1
12.2.7-0ubuntu0.18.04.1
12.2.8-0ubuntu0.18.04.1
12.2.8-0ubuntu0.18.04.2
12.2.11-0ubuntu0.18.04.1
12.2.11-0ubuntu0.18.04.2
12.2.12-0ubuntu0.18.04.1
12.2.12-0ubuntu0.18.04.2
12.2.12-0ubuntu0.18.04.3
12.2.12-0ubuntu0.18.04.4
12.2.12-0ubuntu0.18.04.5
12.2.13-0ubuntu0.18.04.2
12.2.13-0ubuntu0.18.04.3
12.2.13-0ubuntu0.18.04.4
12.2.13-0ubuntu0.18.04.5
12.2.13-0ubuntu0.18.04.6
12.2.13-0ubuntu0.18.04.7
12.2.13-0ubuntu0.18.04.8
12.2.13-0ubuntu0.18.04.10
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
