github - ghsa-j8wj-77mv-262g

GHSA-J8WJ-77MV-262G

Vulnerability from github – Published: 2022-12-15 21:30 – Updated: 2022-12-20 18:30

Details

RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented.

Severity ?

9.8 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-4226"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345",
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-12-15T19:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented.",
  "id": "GHSA-j8wj-77mv-262g",
  "modified": "2022-12-20T18:30:20Z",
  "published": "2022-12-15T21:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4226"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-4226 (GCVE-0-2021-4226)

Vulnerability from cvelistv5 – Published: 2022-12-15 17:14 – Updated: 2025-04-21 14:18

Summary

RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented.

Severity ?

9.8 (Critical)


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

CWE

CWE-639 Authorization Bypass Through User-Controlled Key

Assigner

WPScan

References

URL

Tags

https://wpscan.com/vulnerability/c0ed80c8-ebbf-4e…

exploitvdb-entrytechnical-description

Impacted products

	Vendor	Product	Version
	Unknown	RSFirewall!	Affected: 0 , < 1.1.25 (custom)

Credits

Daniel Ruf

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:04.258Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "exploit",
              "vdb-entry",
              "technical-description",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352"
          }
        ],
        "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-2021-4226",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-21T14:17:13.945866Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-345",
                "description": "CWE-345 Insufficient Verification of Data Authenticity",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-21T14:18:04.471Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "product": "RSFirewall!",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.1.25",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Daniel Ruf"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-15T17:14:40.696Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "RSFirewall \u003c 1.1.25 - IP Block Bypass",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2021-4226",
    "datePublished": "2022-12-15T17:14:40.696Z",
    "dateReserved": "2022-04-10T06:55:50.348Z",
    "dateUpdated": "2025-04-21T14:18:04.471Z",
    "requesterUserId": "dc9e157c-ddf1-4983-adaf-9f01d16b5e04",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-J8WJ-77MV-262G

CVE-2021-4226 (GCVE-0-2021-4226)

Tags

Sightings

Nomenclature