GHSA-927H-X4QJ-R242

Vulnerability from github – Published: 2022-05-14 01:33 – Updated: 2024-05-20 21:53
VLAI
Summary
github.com/gofiber/fiber/v2 vulnerable to Origin Validation Error
Details

The Olivier Poitrey Go CORS handler through 1.3.0 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.

Severity
5.9 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/gofiber/fiber/v2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0"
            },
            {
              "fixed": "2.43.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/rs/cors"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.5.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-20744"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-346"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-14T14:53:20Z",
    "nvd_published_at": "2019-01-28T08:29:00Z",
    "severity": "MODERATE"
  },
  "details": "The Olivier Poitrey Go CORS handler through 1.3.0 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.",
  "id": "GHSA-927h-x4qj-r242",
  "modified": "2024-05-20T21:53:21Z",
  "published": "2022-05-14T01:33:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20744"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gofiber/fiber/issues/2338"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rs/cors/issues/55"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gofiber/fiber/pull/2339"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rs/cors/pull/57"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/gofiber/fiber"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20200227091122/http://www.securityfocus.com/bid/106834"
    },
    {
      "type": "WEB",
      "url": "https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "github.com/gofiber/fiber/v2 vulnerable to Origin Validation Error"
}



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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

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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.