GSD-2020-24383

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
An issue was discovered in FNET through 4.6.4. The code for processing resource records in mDNS queries doesn't check for proper '\0' termination of the resource record name string, leading to an out-of-bounds read, and potentially causing information leak or Denial-or-Service.
Aliases
Aliases
CVE-2020-24383
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-24383",
    "description": "An issue was discovered in FNET through 4.6.4. The code for processing resource records in mDNS queries doesn\u0027t check for proper \u0027\\0\u0027 termination of the resource record name string, leading to an out-of-bounds read, and potentially causing information leak or Denial-or-Service.",
    "id": "GSD-2020-24383",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-24383.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-24383"
      ],
      "details": "An issue was discovered in FNET through 4.6.4. The code for processing resource records in mDNS queries doesn\u0027t check for proper \u0027\\0\u0027 termination of the resource record name string, leading to an out-of-bounds read, and potentially causing information leak or Denial-or-Service.",
      "id": "GSD-2020-24383",
      "modified": "2023-12-13T01:22:12.395812Z",
      "schema_version": "1.4.0"
    }
  },
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        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-24383",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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            "value": "An issue was discovered in FNET through 4.6.4. The code for processing resource records in mDNS queries doesn\u0027t check for proper \u0027\\0\u0027 termination of the resource record name string, leading to an out-of-bounds read, and potentially causing information leak or Denial-or-Service."
          }
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                "value": "n/a"
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.kb.cert.org/vuls/id/815128",
            "refsource": "MISC",
            "url": "https://www.kb.cert.org/vuls/id/815128"
          },
          {
            "name": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
            "refsource": "MISC",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01"
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        "nodes": [
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                "cpe23Uri": "cpe:2.3:a:butok:fnet:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.6.4",
                "vulnerable": true
              }
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            "operator": "OR"
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        ]
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      "cve": {
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          "ID": "CVE-2020-24383"
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        "description": {
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              "value": "An issue was discovered in FNET through 4.6.4. The code for processing resource records in mDNS queries doesn\u0027t check for proper \u0027\\0\u0027 termination of the resource record name string, leading to an out-of-bounds read, and potentially causing information leak or Denial-or-Service."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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                  "value": "CWE-125"
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        "references": {
          "reference_data": [
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
              "refsource": "MISC",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2023-10-12T18:31Z",
      "publishedDate": "2020-12-11T23:15Z"
    }
  }
}


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Detection rules are retrieved from Rulezet.