{
  "id": "CVE-2022-2521",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-08-31T16:15:11.170",
  "lastModified": "2023-02-23T15:59:11.677",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "It was found in libtiff 4.4.0rc1 that there is an invalid pointer free operation in TIFFClose() at tif_close.c:131 called by tiffcrop.c:2522 that can cause a program crash and denial of service while processing crafted input."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado en libtiff versi\u00f3n 4.4.0rc1. que se presenta una operaci\u00f3n de liberaci\u00f3n de puntero no v\u00e1lida en la funci\u00f3n TIFFClose() en el archivo tif_close.c:131 llamada por tiffcrop.c:2522 que puede causar un fallo del programa y una denegaci\u00f3n de servicio mientras es procesada un entrada dise\u00f1ada"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "secalert@redhat.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-763"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-763"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:libtiff:libtiff:4.4.0:rc1:*:*:*:*:*:*",
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  "references": [
    {
      "url": "https://gitlab.com/libtiff/libtiff/-/issues/422",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://gitlab.com/libtiff/libtiff/-/merge_requests/378",
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    {
      "url": "https://www.debian.org/security/2023/dsa-5333",
      "source": "secalert@redhat.com",
      "tags": [
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    }
  ]
}