Vulnerability-Lookup

WID-SEC-W-2022-2379

Vulnerability from csaf_certbund - Published: 2022-12-20 23:00 - Updated: 2022-12-20 23:00

Summary

Netgate pfSense (pfBlocker-NG): Schwachstelle ermöglicht Ausführen von beliebigen Kommandos mit Administratorrechten

Severity

Kritisch

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: pfSense ist eine Software-Edge-Firewall mit Router- und VPN-Funktionalität.

Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle im Netgate pfSense Paket pfBlocker-NG ausnutzen, um beliebige Kommandos mit Administratorrechten auszuführen.

Betroffene Betriebssysteme: - Applicance

CVE-2022-40624

Es existiert eine Schwachstelle in Netgate pfSense, wenn das "pfBlocker-NG" Pakets installiert ist. Durch Manipulation des "HTTP Host" Headers kann ein entfernter, anonymer Angreifer beliebige Kommandos in "/pfblockerng/www/index.php" injizieren und mit Root-Rechten ausführen lassen.

Affected products

Last affected 1 product

Product	Identifier	Version	Remediation
Netgate pfSense pfBlockerNg <= 2.1.4_27 Netgate	`cpe:/a:netgate:pfsense:2.1.4_27::pfblockerng`	—

References

4 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://github.com/dhammon/pfBlockerNg-CVE-2022-40624	external
https://github.com/advisories/GHSA-crg2-7qxv-74jh	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "kritisch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "pfSense ist eine Software-Edge-Firewall mit Router- und VPN-Funktionalit\u00e4t.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle im Netgate pfSense Paket pfBlocker-NG ausnutzen, um beliebige Kommandos mit Administratorrechten auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Applicance",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2022-2379 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-2379.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-2379 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2379"
      },
      {
        "category": "external",
        "summary": "PoC",
        "url": "https://github.com/dhammon/pfBlockerNg-CVE-2022-40624"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-crg2-7qxv-74jh vom 2022-12-20",
        "url": "https://github.com/advisories/GHSA-crg2-7qxv-74jh"
      }
    ],
    "source_lang": "en-US",
    "title": "Netgate pfSense (pfBlocker-NG): Schwachstelle erm\u00f6glicht Ausf\u00fchren von beliebigen Kommandos mit Administratorrechten",
    "tracking": {
      "current_release_date": "2022-12-20T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:40:16.872+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-2379",
      "initial_release_date": "2022-12-20T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-12-20T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Netgate pfSense pfBlockerNg \u003c= 2.1.4_27",
            "product": {
              "name": "Netgate pfSense pfBlockerNg \u003c= 2.1.4_27",
              "product_id": "T025665",
              "product_identification_helper": {
                "cpe": "cpe:/a:netgate:pfsense:2.1.4_27::pfblockerng"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Netgate"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-40624",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Netgate pfSense, wenn das \"pfBlocker-NG\" Pakets installiert ist. Durch Manipulation des \"HTTP Host\" Headers kann ein entfernter, anonymer Angreifer beliebige Kommandos in \"/pfblockerng/www/index.php\" injizieren und mit Root-Rechten ausf\u00fchren lassen."
        }
      ],
      "product_status": {
        "last_affected": [
          "T025665"
        ]
      },
      "release_date": "2022-12-20T23:00:00.000+00:00",
      "title": "CVE-2022-40624"
    }
  ]
}

CVE-2022-40624 (GCVE-0-2022-40624)

Vulnerability from cvelistv5 – Published: 2022-12-20 00:00 – Updated: 2025-04-17 13:50

Summary

pfSense pfBlockerNG through 2.1.4_27 allows remote attackers to execute arbitrary OS commands as root via the HTTP Host header, a different vulnerability than CVE-2022-31814.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-17 13:50 UTC

CWE

n/a
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2314 records in the last 180 days details

References

3 references

URL	Tags
https://docs.netgate.com/pfsense/en/latest/packag…
https://github.com/dhammon/pfBlockerNg-RCE
https://github.com/dhammon/pfBlockerNg-CVE-2022-40624

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T12:21:46.465Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/dhammon/pfBlockerNg-RCE"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/dhammon/pfBlockerNg-CVE-2022-40624"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-40624",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-17T13:50:37.467864Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-78",
                "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-17T13:50:54.301Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "pfSense pfBlockerNG through 2.1.4_27 allows remote attackers to execute arbitrary OS commands as root via the HTTP Host header, a different vulnerability than CVE-2022-31814."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-20T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html"
        },
        {
          "url": "https://github.com/dhammon/pfBlockerNg-RCE"
        },
        {
          "url": "https://github.com/dhammon/pfBlockerNg-CVE-2022-40624"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-40624",
    "datePublished": "2022-12-20T00:00:00.000Z",
    "dateReserved": "2022-09-13T00:00:00.000Z",
    "dateUpdated": "2025-04-17T13:50:54.301Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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