CVE-2023-42782 (GCVE-0-2023-42782)

Vulnerability from cvelistv5 – Published: 2023-10-10 16:50 – Updated: 2024-09-18 20:50
VLAI
Summary
A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-18 20:37 UTC
CWE
  • CWE-345 - Improper access control
References
Impacted products
Vendor Product Version CPE status
Fortinet FortiAnalyzer Affected: 7.4.0
Affected: 7.2.0 , ≤ 7.2.3 (semver)
Affected: 7.0.0 , ≤ 7.0.9 (semver)
Affected: 6.4.0 , ≤ 6.4.13 (semver)
Affected: 6.2.0 , ≤ 6.2.12 (semver)
guessed Create a notification for this product.
fortinet fortianalyzer Affected: 7.4.0
Affected: 7.2.0 , ≤ 7.2.3 (custom)
Affected: 7.0.0 , ≤ 7.0.9 (custom)
Affected: 6.4.0 , ≤ 6.4.13 (custom)
Affected: 6.2.0 , ≤ 6.2.12 (custom)
    cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*
Create a notification for this product.
fortinet fortianalyzer-bigdata Affected: 7.2.0 , ≤ 7.2.5 (custom)
Affected: 7.0
Affected: 6.4
Affected: 6.2
    cpe:2.3:a:fortinet:fortianalyzer-bigdata:*:*:*:*:*:*:*:*
Create a notification for this product.
fortinet fortimanager Affected: 7.4.0
Affected: 7.2.0 , ≤ 7.2.3 (custom)
Affected: 7.0.0 , ≤ 7.0.9 (custom)
Affected: 6.4
Affected: 6.2
    cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://fortiguard.com/psirt/FG-IR-23-221"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://fortiguard.com/psirt/FG-IR-23-221"
          }
        ],
        "sourceIdentifier": "psirt@fortinet.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-345"
              }
            ],
            "source": "psirt@fortinet.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-345"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-29T00:22:21+00:00",
      "cve": "CVE-2023-42782",
      "id": "CVE-2023-42782",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2023-42782",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-42782.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T19:30:24.781Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "name": "https://fortiguard.com/psirt/FG-IR-23-221",
                "tags": [
                  "x_transferred"
                ],
                "url": "https://fortiguard.com/psirt/FG-IR-23-221"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "affected": [
              {
                "cpes": [
                  "cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "fortianalyzer",
                "vendor": "fortinet",
                "versions": [
                  {
                    "status": "affected",
                    "version": "7.4.0"
                  },
                  {
                    "lessThanOrEqual": "7.2.3",
                    "status": "affected",
                    "version": "7.2.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThanOrEqual": "7.0.9",
                    "status": "affected",
                    "version": "7.0.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThanOrEqual": "6.4.13",
                    "status": "affected",
                    "version": "6.4.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThanOrEqual": "6.2.12",
                    "status": "affected",
                    "version": "6.2.0",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "cpes": [
                  "cpe:2.3:a:fortinet:fortianalyzer-bigdata:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "fortianalyzer-bigdata",
                "vendor": "fortinet",
                "versions": [
                  {
                    "lessThanOrEqual": "7.2.5",
                    "status": "affected",
                    "version": "7.2.0",
                    "versionType": "custom"
                  },
                  {
                    "status": "affected",
                    "version": "7.0"
                  },
                  {
                    "status": "affected",
                    "version": "6.4"
                  },
                  {
                    "status": "affected",
                    "version": "6.2"
                  }
                ]
              },
              {
                "cpes": [
                  "cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "fortimanager",
                "vendor": "fortinet",
                "versions": [
                  {
                    "status": "affected",
                    "version": "7.4.0"
                  },
                  {
                    "lessThanOrEqual": "7.2.3",
                    "status": "affected",
                    "version": "7.2.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThanOrEqual": "7.0.9",
                    "status": "affected",
                    "version": "7.0.0",
                    "versionType": "custom"
                  },
                  {
                    "status": "affected",
                    "version": "6.4"
                  },
                  {
                    "status": "affected",
                    "version": "6.2"
                  }
                ]
              }
            ],
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-42782",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-18T20:37:50.243924Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-18T20:46:11.997Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "FortiAnalyzer",
              "vendor": "Fortinet",
              "versions": [
                {
                  "status": "affected",
                  "version": "7.4.0"
                },
                {
                  "lessThanOrEqual": "7.2.3",
                  "status": "affected",
                  "version": "7.2.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "7.0.9",
                  "status": "affected",
                  "version": "7.0.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.4.13",
                  "status": "affected",
                  "version": "6.4.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.2.12",
                  "status": "affected",
                  "version": "6.2.0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C",
                "version": "3.1"
              },
              "format": "CVSS"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-345",
                  "description": "Improper access control",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-10-10T16:50:26.310Z",
            "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            "shortName": "fortinet"
          },
          "references": [
            {
              "name": "https://fortiguard.com/psirt/FG-IR-23-221",
              "url": "https://fortiguard.com/psirt/FG-IR-23-221"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Please upgrade to FortiAnalyzer version 7.4.1 or above\r\nPlease upgrade to FortiAnalyzer version 7.2.4 or above\n\r\nAND\u00a0\nConfigure the \"un-encrypted-logging\" option to disable receiving syslog without encryption through UDP(514) or TCP(514).\nconfig system log setting\r\n\u00a0 \u00a0 set un-encrypted-logging disable"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "assignerShortName": "fortinet",
        "cveId": "CVE-2023-42782",
        "datePublished": "2023-10-10T16:50:26.310Z",
        "dateReserved": "2023-09-14T08:37:38.656Z",
        "dateUpdated": "2024-09-18T20:50:44.592Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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