fkie_cve-2021-4122
Vulnerability from fkie_nvd
Published
2022-08-24 16:15
Modified
2024-11-21 06:36
Severity ?
Summary
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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cryptsetup_project | cryptsetup | * | |
| cryptsetup_project | cryptsetup | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F7DA77A9-DF78-49E9-8492-8E84C70D4495",
"versionEndExcluding": "2.3.7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DAE6BBF2-E730-4C5A-81DF-AA13449D0151",
"versionEndExcluding": "2.4.3",
"versionStartIncluding": "2.4.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se ha detectado que un encabezado LUKS especialmente dise\u00f1ada pod\u00eda enga\u00f1ar a cryptsetup para que deshabilitara el cifrado durante la recuperaci\u00f3n del dispositivo. Un atacante con acceso f\u00edsico al medio, como un disco flash, podr\u00eda usar este fallo para forzar a un usuario a deshabilitar permanentemente la capa de cifrado de ese medio."
}
],
"id": "CVE-2021-4122",
"lastModified": "2024-11-21T06:36:56.853",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "PHYSICAL",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 0.7,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-08-24T16:15:09.427",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
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"url": "https://access.redhat.com/security/cve/CVE-2021-4122"
},
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"tags": [
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},
{
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},
{
"source": "secalert@redhat.com",
"tags": [
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"url": "https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c"
},
{
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"tags": [
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"url": "https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes"
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}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-345"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-345"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.