{
  "id": "CVE-2021-43619",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-03-01T05:15:07.803",
  "lastModified": "2022-03-09T00:53:24.867",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations."
    },
    {
      "lang": "es",
      "value": "Trusted Firmware M versiones 1.4.x hasta 1.4.1, presenta un problema de desbordamiento de b\u00fafer en la partici\u00f3n de actualizaci\u00f3n de firmware. En el modelo IPC, un llamador psa_fwu_write desde SPE o NSPE puede sobrescribir ubicaciones de memoria de la pila."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:arm:trusted_firmware-m:1.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2E3C409-82C3-4CD5-8387-B8C9D9A1C978"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:arm:trusted_firmware-m:1.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "276E2878-F82E-43CF-B94A-96A54D32E015"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://developer.arm.com/support/arm-security-updates",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.trustedfirmware.org",
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ]
    }
  ]
}