ubuntu-cve-2018-1000539
Vulnerability from osv_ubuntu
Published
2018-06-26 16:29
Modified
2025-10-24 04:47
Summary
Details

Nov json-jwt 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.


{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ruby-json-jwt",
            "binary_version": "1.7.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ruby-json-jwt",
        "purl": "pkg:deb/ubuntu/ruby-json-jwt@1.7.2-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7.2-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Nov json-jwt version \u003e= 0.5.0 \u0026\u0026 \u003c 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.",
  "id": "UBUNTU-CVE-2018-1000539",
  "modified": "2025-10-24T04:47:21Z",
  "published": "2018-06-26T16:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1000539"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/nov/json-jwt/pull/62"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/nov/json-jwt/commit/3393f394f271c87bd42ec23c300727b4437d1638"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-1000539"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-1000539"
  ]
}



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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.
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