fkie_cve-2020-12762
Vulnerability from fkie_nvd
Published
2020-05-09 18:15
Modified
2025-05-30 20:15
Summary
json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.
References
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdfThird Party Advisory
cve@mitre.orghttps://github.com/json-c/json-c/pull/592Exploit, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/rsyslog/libfastjson/issues/161Exploit, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/05/msg00032.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/05/msg00034.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/07/msg00031.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2023/06/msg00023.htmlThird Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
cve@mitre.orghttps://security.gentoo.org/glsa/202006-13Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210521-0001/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4360-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4360-4/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4741Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/json-c/json-c/pull/592Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/rsyslog/libfastjson/issues/161Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/05/msg00032.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/05/msg00034.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/07/msg00031.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/06/msg00023.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202006-13Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210521-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4360-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4360-4/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4741Third Party Advisory



{
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              "matchCriteriaId": "1B3DEC32-B4B2-4FE9-B702-FB50EB3561C3",
              "versionEndExcluding": "0.15-20200726",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend."
    },
    {
      "lang": "es",
      "value": "json-c versiones hasta 0.14, presenta un desbordamiento de enteros y una escritura fuera de l\u00edmites por medio de un archivo JSON grande, como es demostrado por la funci\u00f3n printbuf_memappend."
    }
  ],
  "id": "CVE-2020-12762",
  "lastModified": "2025-05-30T20:15:25.583",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
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        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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        },
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      {
        "cvssData": {
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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  },
  "published": "2020-05-09T18:15:11.283",
  "references": [
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-190"
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      "type": "Secondary"
    }
  ]
}


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