{
  "id": "CVE-2023-3036",
  "sourceIdentifier": "cna@cloudflare.com",
  "published": "2023-06-14T12:15:09.647",
  "lastModified": "2023-06-27T18:40:38.283",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An unchecked read in NTP server in github.com/cloudflare/cfnts prior to commit  783490b https://github.com/cloudflare/cfnts/commit/783490b913f05e508a492cd7b02e3c4ec2297b71 \u00a0enabled a remote attacker to trigger a panic by sending an NTSAuthenticator packet with extension length longer than the packet contents.\n"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "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:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      },
      {
        "source": "cna@cloudflare.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    },
    {
      "source": "cna@cloudflare.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:cloudflare:cfnts:*:*:*:*:*:rust:*:*",
              "versionEndExcluding": "2023-06-01",
              "matchCriteriaId": "7EF27AB6-93DC-428C-95EE-46B241094EE2"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/cloudflare/cfnts/security/advisories/GHSA-pwx6-gw47-96cp",
      "source": "cna@cloudflare.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}