{
  "id": "CVE-2023-31470",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-04-28T21:15:09.307",
  "lastModified": "2025-01-31T16:15:29.460",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request."
    }
  ],
  "metrics": {
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      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/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
      },
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
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          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
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      }
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
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      "type": "Secondary",
      "description": [
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          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:pymumu:smartdns:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "41",
              "matchCriteriaId": "A5C0D703-DE83-4A39-B60E-C59EB738596A"
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  "references": [
    {
      "url": "https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04",
      "source": "cve@mitre.org",
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        "Patch"
      ]
    },
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      "url": "https://github.com/pymumu/smartdns/issues/1378",
      "source": "cve@mitre.org",
      "tags": [
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    {
      "url": "https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04",
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      "tags": [
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}