{
  "schema_version": "1.4.0",
  "id": "GHSA-mj4x-wcxf-hm8x",
  "modified": "2023-08-25T23:55:12Z",
  "published": "2018-07-31T18:13:51Z",
  "aliases": [
    "CVE-2018-1000539"
  ],
  "summary": "Json-jwt did not verify the cryptographic signature for data",
  "details": "The json-jwt rubygem version >= 0.5.0 && < 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in 1.9.4 and later.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "json-jwt"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.5.1"
            },
            {
              "fixed": "1.9.4"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000539"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nov/json-jwt/pull/62"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nov/json-jwt/commit/a3b2147f0f6d9aca653e7a30e453d3a92b33413f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nov/json-jwt"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2018-1000539.yml"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4283"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:46:30Z",
    "nvd_published_at": null
  }
}