gsd-2022-23540
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
In versions `<=8.5.1` of `jsonwebtoken` library, lack of algorithm definition in the `jwt.verify()` function can lead to signature validation bypass due to defaulting to the `none` algorithm for signature verification. Users are affected if you do not specify algorithms in the `jwt.verify()` function. This issue has been fixed, please update to version 9.0.0 which removes the default support for the none algorithm in the `jwt.verify()` method. There will be no impact, if you update to version 9.0.0 and you don’t need to allow for the `none` algorithm. If you need 'none' algorithm, you have to explicitly specify that in `jwt.verify()` options.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-23540",
"id": "GSD-2022-23540"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"details": "In versions `\u003c=8.5.1` of `jsonwebtoken` library, lack of algorithm definition in the `jwt.verify()` function can lead to signature validation bypass due to defaulting to the `none` algorithm for signature verification. Users are affected if you do not specify algorithms in the `jwt.verify()` function. This issue has been fixed, please update to version 9.0.0 which removes the default support for the none algorithm in the `jwt.verify()` method. There will be no impact, if you update to version 9.0.0 and you don\u2019t need to allow for the `none` algorithm. If you need \u0027none\u0027 algorithm, you have to explicitly specify that in `jwt.verify()` options.",
"id": "GSD-2022-23540",
"modified": "2023-12-13T01:19:35.054170Z",
"schema_version": "1.4.0"
}
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"product": {
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"product_name": "node-jsonwebtoken",
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"value": "In versions `\u003c=8.5.1` of `jsonwebtoken` library, lack of algorithm definition in the `jwt.verify()` function can lead to signature validation bypass due to defaulting to the `none` algorithm for signature verification. Users are affected if you do not specify algorithms in the `jwt.verify()` function. This issue has been fixed, please update to version 9.0.0 which removes the default support for the none algorithm in the `jwt.verify()` method. There will be no impact, if you update to version 9.0.0 and you don\u2019t need to allow for the `none` algorithm. If you need \u0027none\u0027 algorithm, you have to explicitly specify that in `jwt.verify()` options."
}
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"impact": {
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L",
"version": "3.1"
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"name": "https://github.com/auth0/node-jsonwebtoken/commit/e1fa9dcc12054a8681db4e6373da1b30cf7016e3",
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"discovery": "UNKNOWN"
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"affected_versions": "All versions up to 8.5.1",
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"cwe_ids": [
"CWE-1035",
"CWE-347",
"CWE-937"
],
"date": "2023-07-14",
"description": "In versions `\u003c=8.5.1` of `jsonwebtoken` library, lack of algorithm definition in the `jwt.verify()` function can lead to signature validation bypass due to defaulting to the `none` algorithm for signature verification. Users are affected if you do not specify algorithms in the `jwt.verify()` function. This issue has been fixed, please update to version 9.0.0 which removes the default support for the none algorithm in the `jwt.verify()` method. There will be no impact, if you update to version 9.0.0 and you don\u2019t need to allow for the `none` algorithm. If you need \u0027none\u0027 algorithm, you have to explicitly specify that in `jwt.verify()` options.",
"fixed_versions": [
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],
"identifier": "CVE-2022-23540",
"identifiers": [
"CVE-2022-23540",
"GHSA-qwph-4952-7xr6"
],
"not_impacted": "All versions after 8.5.1",
"package_slug": "npm/jsonwebtoken",
"pubdate": "2022-12-22",
"solution": "Upgrade to version 9.0.0 or above.",
"title": "Improper Authentication",
"urls": [
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"https://github.com/auth0/node-jsonwebtoken/commit/e1fa9dcc12054a8681db4e6373da1b30cf7016e3",
"https://nvd.nist.gov/vuln/detail/CVE-2022-23540",
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"versionEndIncluding": "8.5.1",
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"attackVector": "NETWORK",
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},
"lastModifiedDate": "2023-07-14T19:22Z",
"publishedDate": "2022-12-22T19:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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