{
  "id": "CVE-2018-7186",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2018-02-16T16:29:00.160",
  "lastModified": "2024-11-21T04:11:45.120",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Leptonica before 1.75.3 does not limit the number of characters in a %s format argument to fscanf or sscanf, which allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a long string, as demonstrated by the gplotRead and ptaReadStream functions."
    },
    {
      "lang": "es",
      "value": "Leptonica, en versiones anteriores a la 1.75.3, no limita el n\u00famero de caracteres en un argumento de formato %s en fscanf o sscanf, lo que permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer basado en pila) o que puedan causar otro tipo de impacto sin especificar mediante una cadena larga. Esto se demuestra mediante las funciones gplotRead y ptaReadStream."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": true,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:leptonica:leptonica:*:*:*:*:*:*:*:*",
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  ],
  "references": [
    {
      "url": "https://bugs.debian.org/890548",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/DanBloomberg/leptonica/commit/ee301cb2029db8a6289c5295daa42bba7715e99a",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00005.html",
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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    {
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      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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    },
    {
      "url": "https://security.gentoo.org/glsa/202312-01",
      "source": "cve@mitre.org"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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}