Vulnerability Details CVE-2021-4122
It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 15.8%
CVSS Severity
CVSS v3 Score 4.3
References
- https://access.redhat.com/security/cve/CVE-2021-4122
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes
- https://access.redhat.com/security/cve/CVE-2021-4122
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes
Products affected by CVE-2021-4122
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.0.7
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.1.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.1.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.1.2
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.1.3
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.2.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.3.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.3.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.4.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.4.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.4.2
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.4.3
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.5.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.5.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.2
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.3
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.4
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.5
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.6
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.7
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.6.8
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.7.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.7.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.7.2
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.7.3
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.7.4
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cpe:2.3:a:cryptsetup_project:cryptsetup:1.7.5
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.0.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.0.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.0.2
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.0.3
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.0.4
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.0.5
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.0.6
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.1.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.1.7.3-2
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.2.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.2.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.2.2
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.3.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.3.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.3.2
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.3.3
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.3.4
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.3.5
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.3.6
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.4.0
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.4.1
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cpe:2.3:a:cryptsetup_project:cryptsetup:2.4.2