{
  "id": "CVE-2021-4122",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-08-24T16:15:09.427",
  "lastModified": "2022-08-29T14:28:45.370",
  "vulnStatus": "Analyzed",
  "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."
    }
  ],
  "metrics": {
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "attackVector": "PHYSICAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 0.7,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "value": "CWE-345"
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      ]
    },
    {
      "source": "secalert@redhat.com",
      "type": "Secondary",
      "description": [
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          "lang": "en",
          "value": "CWE-345"
        }
      ]
    }
  ],
  "configurations": [
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      "nodes": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2021-4122",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2031859",
      "source": "secalert@redhat.com",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
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    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2032401",
      "source": "secalert@redhat.com",
      "tags": [
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    },
    {
      "url": "https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
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    {
      "url": "https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes",
      "source": "secalert@redhat.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
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}