Security advisory

{
  "id": "44167dfd884243a4a474144bedda753444ccbb865278f6853ccb042bdf86a180",
  "url": "https://osv.dev/vulnerability/CVE-2017-7458",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-7458",
    "summary": "The NetworkInterface::getHost function in NetworkInterface.cpp in ntopng before 3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty field that should have contained a hostname or IP address.",
    "evidence": "osv:CVE-2017-7458",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-7458",
      "aliases": [
        "CVE-2017-7458"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ntop/ntopng",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "3e0705528bb8322f67b1b9d2a2476f5294ae0ca8"
                },
                {
                  "fixed": "01f47e04fd7c8d54399c9e465f823f0017069f8f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ntop:ntopng:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "01f47e04fd7c8d54399c9e465f823f0017069f8f"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7458.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-7458-1c52cc06",
                "digest": {
                  "length": 1336,
                  "function_hash": "45230076817017922627553868133652437512"
                },
                "source": "https://github.com/ntop/ntopng/commit/01f47e04fd7c8d54399c9e465f823f0017069f8f",
                "target": {
                  "file": "src/Lua.cpp",
                  "function": "Lua::setParamsTable"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-7458-2347328f",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "160324394555210514509448589696142407848",
                    "328260766068523010549289880788576980191",
                    "41240477667630977198291149469061115489"
                  ]
                },
                "source": "https://github.com/ntop/ntopng/commit/01f47e04fd7c8d54399c9e465f823f0017069f8f",
                "target": {
                  "file": "src/NetworkInterface.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-7458-5e24b6ef",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "106019805976255298140023834735704185255",
                    "91127995900512789900064732114274950627",
                    "35191940844274961326047896332125235340",
                    "168078229102304722862558992609458552291"
                  ]
                },
                "source": "https://github.com/ntop/ntopng/commit/01f47e04fd7c8d54399c9e465f823f0017069f8f",
                "target": {
                  "file": "src/Lua.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-7458-98deda18",
                "digest": {
                  "length": 784,
                  "function_hash": "73783438478888607597439922526392775887"
                },
                "source": "https://github.com/ntop/ntopng/commit/01f47e04fd7c8d54399c9e465f823f0017069f8f",
                "target": {
                  "file": "src/NetworkInterface.cpp",
                  "function": "NetworkInterface::getHost"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:24:16Z"
          }
        }
      ],
      "modified": "2026-10-20T13:24:16.302065065Z",
      "provider": "osv",
      "references": [
        "https://github.com/ntop/ntopng/blob/3.0/CHANGELOG.md",
        "https://github.com/ntop/ntopng/commit/01f47e04fd7c8d54399c9e465f823f0017069f8f"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-7458",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387626,
  "published_at": "2017-06-26T23:29:00.19+00:00"
}