cve-2023-40718
Vulnerability from cvelistv5
Published
2023-10-10 16:49
Modified
2024-09-18 19:03
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:R
Summary
A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.
References
psirt@fortinet.comhttps://fortiguard.com/psirt/FG-IR-23-090Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/psirt/FG-IR-23-090Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T18:38:51.324Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://fortiguard.com/psirt/FG-IR-23-090",
            "tags": [
              "x_transferred"
            ],
            "url": "https://fortiguard.com/psirt/FG-IR-23-090"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:fortinet:fortios_ips_engine:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "fortios_ips_engine",
            "vendor": "fortinet",
            "versions": [
              {
                "lessThanOrEqual": "7.321",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              },
              {
                "lessThanOrEqual": "7.166",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              },
              {
                "lessThanOrEqual": "6.158",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-40718",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-18T18:59:54.335454Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-18T19:03:01.519Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "IPS Engine",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "7.321"
            },
            {
              "status": "affected",
              "version": "7.166"
            },
            {
              "status": "affected",
              "version": "6.158"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:R",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-436",
              "description": "Improper access control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-10T16:49:04.727Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "name": "https://fortiguard.com/psirt/FG-IR-23-090",
          "url": "https://fortiguard.com/psirt/FG-IR-23-090"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "IPS Engine manual download is not needed unless device is offline and cannot download IPS Engine update automatically.\nFixed in IPS Engine version 6.0159 and later.\r\n\u00a0 FortiOS 6.4.13 and later contains IPS engine 6.0160 as the default IPS Engine.\r\n\u00a0 IPS Engine 6.0162 is downloadable from FortiGuard by FortiGate units with a valid subscription running FortiOS 6.4.x.\nFixed in IPS Engine version 7.0166 and later.\r\n\u00a0 FortiOS 7.0.12 and later contains IPS engine 7.0167 as the default IPS Engine.\nFixed in IPS Engine version 7.0313 and later.\r\n\u00a0 FortiOS 7.2.5 and later contains IPS engine 7.0314 as the default IPS Engine.\r\n\u00a0 IPS Engine 7.0322 is downloadable from FortiGuard by FortiGate units with a valid subscription running FortiOS 7.2.x.\nFortiOS 7.4.0 and later contains IPS engine 7.0493 as the default IPS Engine.\n\u00a0"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2023-40718",
    "datePublished": "2023-10-10T16:49:04.727Z",
    "dateReserved": "2023-08-21T09:03:44.315Z",
    "dateUpdated": "2024-09-18T19:03:01.519Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-40718\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2023-10-10T17:15:12.560\",\"lastModified\":\"2024-11-21T08:20:01.453\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.\"},{\"lang\":\"es\",\"value\":\"Un conflicto de interpretaci\u00f3n en las versiones 7.321, 7.166 y 6.158 de Fortinet IPS Engine permite a un atacante evadir las funciones de IPS a trav\u00e9s de paquetes TCP manipulados.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"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:H/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-436\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-436\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortios_ips_engine:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"7.312\",\"matchCriteriaId\":\"76621CA9-15A3-45C7-89F6-00FF2F0DB7B5\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.2.0\",\"versionEndExcluding\":\"7.2.4\",\"matchCriteriaId\":\"7582B2FF-8EDC-4599-96F3-CFA7BAE1FCF5\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortios_ips_engine:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"7.165\",\"matchCriteriaId\":\"E527DD20-7553-4CAD-BFFF-02D2C4DFFADC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndExcluding\":\"7.0.12\",\"matchCriteriaId\":\"39A6C2A7-21A4-4BB5-A3B6-9466E5CEA296\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortios_ips_engine:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"6.158\",\"matchCriteriaId\":\"E17821E5-7836-4EEA-A383-66CBCD45B258\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.0\",\"versionEndExcluding\":\"6.4.13\",\"matchCriteriaId\":\"B153B056-24AE-41C4-B644-65E080C18360\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.com/psirt/FG-IR-23-090\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://fortiguard.com/psirt/FG-IR-23-090\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.