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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2017-6430

The compile_tree function in ef_compiler.c in the Etterfilter utility in Ettercap 0.8.2 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted filter.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-6430
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:15 UTC · Revision 1

Source evidence

CVE-2017-6430

core-osv · Original source

Published 15 Mar 2017, 15:59 UTC

The compile_tree function in ef_compiler.c in the Etterfilter utility in Ettercap 0.8.2 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted filter.

osv:CVE-2017-6430
Complete source record
{
  "id": "d8cf00b450b98b6832f2c4f2cd7e51837dcd20b7818b631dd838da184d88ba29",
  "url": "https://osv.dev/vulnerability/CVE-2017-6430",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-6430",
    "summary": "The compile_tree function in ef_compiler.c in the Etterfilter utility in Ettercap 0.8.2 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted filter.",
    "evidence": "osv:CVE-2017-6430",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-6430",
      "aliases": [
        "CVE-2017-6430"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ettercap/ettercap",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "09dfbe5e1ae5e4c2868b3aaa942c197845c51843"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ettercap-project:ettercap:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.8.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
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            "v0.8.1",
            "v0.8.0",
            "v0.7.6",
            "v0.7.5.3",
            "v0.7.5.2",
            "v0.7.5.1",
            "v0.7.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6430.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/locutusofborg/ettercap",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "626dc56686f15f2dda13c48f78c2a666cb6d8506"
                }
              ],
              "database_specific": {
                "extracted_events": [
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                    "range": [
                      {
                        "fixed": "626dc56686f15f2dda13c48f78c2a666cb6d8506"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
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            "upstream/0.8.1",
            "v0.8.1",
            "upstream/0.8.0+git20140910",
            "v0.8.0",
            "upstream/0.8.0",
            "v0.7.6",
            "upstream/0.7.6",
            "v0.7.5.3",
            "upstream/0.7.5.3",
            "v0.7.5.2",
            "upstream/0.7.5.2",
            "v0.7.5.1",
            "upstream/0.7.5.1",
            "v0.7.5",
            "upstream/0.7.5",
            "version_0.7.4.1",
            "version_0.7.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6430.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-6430-16575dcd",
                "digest": {
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                },
                "source": "https://github.com/locutusofborg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506",
                "target": {
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                },
                "deprecated": false,
                "signature_type": "Line",
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                "source": "https://github.com/locutusofborg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506",
                "target": {
                  "file": "utils/etterfilter/ef_output.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-6430-588225c7",
                "digest": {
                  "length": 592,
                  "function_hash": "73824362593736277241881711187549870075"
                },
                "source": "https://github.com/locutusofborg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506",
                "target": {
                  "file": "utils/etterfilter/ef_compiler.c",
                  "function": "compile_tree"
                },
                "deprecated": false,
                "signature_type": "Function",
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              },
              {
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                "digest": {
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                },
                "source": "https://github.com/locutusofborg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506",
                "target": {
                  "file": "utils/etterfilter/ef_output.c",
                  "function": "write_output"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-6430-85cdc748",
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                },
                "source": "https://github.com/locutusofborg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506",
                "target": {
                  "file": "utils/etterfilter/ef_main.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-6430-f513dee3",
                "digest": {
                  "length": 1024,
                  "function_hash": "39611336973751834281728762465384394335"
                },
                "source": "https://github.com/locutusofborg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506",
                "target": {
                  "file": "utils/etterfilter/ef_main.c",
                  "function": "main"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
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            ],
            "vanir_signatures_modified": "2026-10-20T13:24:14Z"
          }
        }
      ],
      "modified": "2026-10-20T13:24:14.336210217Z",
      "provider": "osv",
      "references": [
        "https://github.com/LocutusOfBorg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506",
        "https://github.com/Ettercap/ettercap/issues/782"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-6430",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387622,
  "published_at": "2017-03-15T15:59:01.03+00:00"
}