ghsa-c7hr-j4mj-j2w6
Vulnerability from github
Published
2018-10-09 00:38
Modified
2020-08-31 18:07
Summary
Verification Bypass in jsonwebtoken
Details

Versions 4.2.1 and earlier of jsonwebtoken are affected by a verification bypass vulnerability. This is a result of weak validation of the JWT algorithm type, occuring when an attacker is allowed to arbitrarily specify the JWT algorithm.

Recommendation

Update to version 4.2.2 or later.

Show details on source website

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "jsonwebtoken"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2015-9235"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:30:27Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "Versions 4.2.1 and earlier of `jsonwebtoken` are affected by a verification bypass vulnerability. This is a result of weak validation of the JWT algorithm type, occuring when an attacker is allowed to arbitrarily specify the JWT algorithm.\n\n\n\n\n## Recommendation\n\nUpdate to version 4.2.2 or later.",
  "id": "GHSA-c7hr-j4mj-j2w6",
  "modified": "2020-08-31T18:07:57Z",
  "published": "2018-10-09T00:38:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-9235"
    },
    {
      "type": "WEB",
      "url": "https://github.com/auth0/node-jsonwebtoken/commit/1bb584bc382295eeb7ee8c4452a673a77a68b687"
    },
    {
      "type": "WEB",
      "url": "https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-c7hr-j4mj-j2w6"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/17"
    },
    {
      "type": "WEB",
      "url": "https://www.timmclean.net/2015/02/25/jwt-alg-none.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Verification Bypass in jsonwebtoken"
}


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