CVE-2021-3979

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Source
https://cve.org/CVERecord?id=CVE-2021-3979
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3979.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-3979
Downstream
Related
Published
2022-08-25T20:15:09.473Z
Modified
2026-04-16T04:38:44.338202692Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
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

Affected packages

Git / github.com/ceph/ceph

Affected ranges

Type
GIT
Repo
https://github.com/ceph/ceph
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
457c145aefd30a852f525fbf76a871f676502c0a
Fixed
47c33179f9a15ae95cc1579a421be89378602656
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "13.0"
        }
    ]
}

Affected versions

v0.*
v0.1
v0.18
v0.19
v0.2
v0.4
v0.5
v0.6
v0.7.1
v0.7.2
v0.7.3
v0.9
v11.*
v11.0.0
v13.*
v13.0.0
v14.*
v14.0.0
v15.*
v15.0.0
v16.*
v16.0.0
v17.*
v17.0.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3979.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "3.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "37"
            }
        ]
    }
]