GSD-2021-46743

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
In Firebase PHP-JWT before 6.0.0, an algorithm-confusion issue (e.g., RS256 / HS256) exists via the kid (aka Key ID) header, when multiple types of keys are loaded in a key ring. This allows an attacker to forge tokens that validate under the incorrect key. NOTE: this provides a straightforward way to use the PHP-JWT library unsafely, but might not be considered a vulnerability in the library itself.
Aliases
Aliases
CVE-2021-46743
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{
  "GSD": {
    "alias": "CVE-2021-46743",
    "description": "In Firebase PHP-JWT before 6.0.0, an algorithm-confusion issue (e.g., RS256 / HS256) exists via the kid (aka Key ID) header, when multiple types of keys are loaded in a key ring. This allows an attacker to forge tokens that validate under the incorrect key. NOTE: this provides a straightforward way to use the PHP-JWT library unsafely, but might not be considered a vulnerability in the library itself.",
    "id": "GSD-2021-46743"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-46743"
      ],
      "details": "In Firebase PHP-JWT before 6.0.0, an algorithm-confusion issue (e.g., RS256 / HS256) exists via the kid (aka Key ID) header, when multiple types of keys are loaded in a key ring. This allows an attacker to forge tokens that validate under the incorrect key. NOTE: this provides a straightforward way to use the PHP-JWT library unsafely, but might not be considered a vulnerability in the library itself.",
      "id": "GSD-2021-46743",
      "modified": "2023-12-13T01:23:32.391114Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-46743",
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            "name": "https://github.com/firebase/php-jwt/issues/351",
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            "url": "https://github.com/firebase/php-jwt/issues/351"
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    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c6.0.0",
          "affected_versions": "All versions before 6.0.0",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-843",
            "CWE-937"
          ],
          "date": "2022-04-08",
          "description": "In Firebase PHP-JWT before 6.0.0, an algorithm-confusion issue (e.g., RS256 / HS256) exists via the kid (aka Key ID) header, when multiple types of keys are loaded in a key ring. This allows an attacker to forge tokens that validate under the incorrect key. NOTE: this provides a straightforward way to use the PHP-JWT library unsafely, but might not be considered a vulnerability in the library itself.",
          "fixed_versions": [
            "6.0.0"
          ],
          "identifier": "CVE-2021-46743",
          "identifiers": [
            "CVE-2021-46743"
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          "not_impacted": "All versions starting from 6.0.0",
          "package_slug": "packagist/firebase/php-jwt",
          "pubdate": "2022-03-29",
          "solution": "Upgrade to version 6.0.0 or above.",
          "title": "Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-46743",
            "https://github.com/firebase/php-jwt/issues/351"
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          "uuid": "f4095c04-142c-4a66-a5d0-936581d93ef9"
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              "refsource": "MISC",
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      },
      "impact": {
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
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          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2022-04-08T15:14Z",
      "publishedDate": "2022-03-29T07:15Z"
    }
  }
}



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.