GSD-2023-28450

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020.
Aliases
Aliases
CVE-2023-28450
To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-28450",
    "id": "GSD-2023-28450"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-28450"
      ],
      "details": "An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020.",
      "id": "GSD-2023-28450",
      "modified": "2023-12-13T01:20:46.713933Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
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        "ID": "CVE-2023-28450",
        "STATE": "PUBLIC"
      },
      "affects": {
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
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              "vendor_name": "n/a"
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          }
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                "value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "https://thekelleys.org.uk/dnsmasq/doc.html",
            "refsource": "MISC",
            "url": "https://thekelleys.org.uk/dnsmasq/doc.html"
          },
          {
            "name": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5",
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          },
          {
            "name": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blob;f=CHANGELOG",
            "refsource": "MISC",
            "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blob;f=CHANGELOG"
          },
          {
            "name": "https://capec.mitre.org/data/definitions/495.html",
            "refsource": "MISC",
            "url": "https://capec.mitre.org/data/definitions/495.html"
          },
          {
            "name": "FEDORA-2023-828bf01834",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OU2ZT4ITSEOOR2CFBAHK4Z67KXJIEWQA/"
          },
          {
            "name": "FEDORA-2023-eeca11a4df",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6UQ6LKDTLSSD64TBIZ3XEKBM2SWC63VV/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.90",
                "vulnerable": true
              }
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          }
        ]
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            }
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        "problemtype": {
          "problemtype_data": [
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                  "value": "NVD-CWE-noinfo"
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        "references": {
          "reference_data": [
            {
              "name": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blob;f=CHANGELOG",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blob;f=CHANGELOG"
            },
            {
              "name": "https://capec.mitre.org/data/definitions/495.html",
              "refsource": "MISC",
              "tags": [
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            },
            {
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              "refsource": "MISC",
              "tags": [
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            },
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              "tags": [
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            },
            {
              "name": "FEDORA-2023-828bf01834",
              "refsource": "FEDORA",
              "tags": [],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OU2ZT4ITSEOOR2CFBAHK4Z67KXJIEWQA/"
            },
            {
              "name": "FEDORA-2023-eeca11a4df",
              "refsource": "FEDORA",
              "tags": [],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6UQ6LKDTLSSD64TBIZ3XEKBM2SWC63VV/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-04-17T03:15Z",
      "publishedDate": "2023-03-15T21:15Z"
    }
  }
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.