GHSA-fqfj-cmh6-hj49
Vulnerability from github
Published
2019-06-13 16:15
Modified
2023-07-05 19:06
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
ruby-openid SSRF via claimed_id request
Details

Ruby OpenID (aka ruby-openid) through 2.8.0 is vulnerable to SSRF. Ruby-openid performs discovery first, and then verification. This allows an attacker to change the URL used for discovery and trick the server into connecting to the URL, which might be a private server not publicly accessible. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the "example app" provided by the project are at highest risk.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "ruby-openid"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.9.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-11027"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2019-06-13T15:45:16Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "Ruby OpenID (aka ruby-openid) through 2.8.0 is vulnerable to SSRF. Ruby-openid performs discovery first, and then verification. This allows an attacker to change the URL used for discovery and trick the server into connecting to the URL, which might be a private server not publicly accessible. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the \"example app\" provided by the project are at highest risk.",
  "id": "GHSA-fqfj-cmh6-hj49",
  "modified": "2023-07-05T19:06:46Z",
  "published": "2019-06-13T16:15:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11027"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openid/ruby-openid/issues/122"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openid/ruby-openid/commit/d181a8a2099c64365a1d24b29f6b6b646673a131"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openid/ruby-openid"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openid/ruby-openid/releases/tag/v2.9.0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-openid/CVE-2019-11027.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00014.html"
    },
    {
      "type": "WEB",
      "url": "https://marc.info/?l=openid-security\u0026m=155154717027534\u0026w=2"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202003-09"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ruby-openid SSRF via claimed_id request"
}


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