ubuntu-cve-2017-18076
Vulnerability from osv_ubuntu
Published
2018-01-26 19:29
Modified
2025-07-18 16:44
Summary
Details

In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ruby-omniauth",
            "binary_version": "1.3.1-1+deb9u1build0.16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "ruby-omniauth",
        "purl": "pkg:deb/ubuntu/ruby-omniauth@1.3.1-1+deb9u1build0.16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.1-1+deb9u1build0.16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.2-3",
        "1.3.1-1"
      ]
    }
  ],
  "aliases": [],
  "details": "In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.",
  "id": "UBUNTU-CVE-2017-18076",
  "modified": "2025-07-18T16:44:17Z",
  "published": "2018-01-26T19:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-18076"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/omniauth/omniauth/pull/867"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.debian.org/888523"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-18076"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-18076"
  ]
}



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