gsd-2016-10555
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
Since "algorithm" isn't enforced in jwt.decode()in jwt-simple 0.3.0 and earlier, a malicious user could choose what algorithm is sent sent to the server. If the server is expecting RSA but is sent HMAC-SHA with RSA's public key, the server will think the public key is actually an HMAC private key. This could be used to forge any data an attacker wants.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2016-10555",
"description": "Since \"algorithm\" isn\u0027t enforced in jwt.decode()in jwt-simple 0.3.0 and earlier, a malicious user could choose what algorithm is sent sent to the server. If the server is expecting RSA but is sent HMAC-SHA with RSA\u0027s public key, the server will think the public key is actually an HMAC private key. This could be used to forge any data an attacker wants.",
"id": "GSD-2016-10555"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2016-10555"
],
"details": "Since \"algorithm\" isn\u0027t enforced in jwt.decode()in jwt-simple 0.3.0 and earlier, a malicious user could choose what algorithm is sent sent to the server. If the server is expecting RSA but is sent HMAC-SHA with RSA\u0027s public key, the server will think the public key is actually an HMAC private key. This could be used to forge any data an attacker wants.",
"id": "GSD-2016-10555",
"modified": "2023-12-13T01:21:26.901855Z",
"schema_version": "1.4.0"
}
},
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"DATE_PUBLIC": "2018-04-26T00:00:00",
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"affects": {
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}
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"value": "Improper Input Validation (CWE-20)"
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"affected_range": "\u003c0.3.1",
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"cwe_ids": [
"CWE-1035",
"CWE-310",
"CWE-937"
],
"date": "2021-01-08",
"description": "Since \"algorithm\" isn\u0027t enforced in jwt.decode()in jwt-simple 0.3.0 and earlier, a malicious user could choose what algorithm is sent sent to the server. If the server is expecting RSA but is sent HMAC-SHA with RSA\u0027s public key, the server will think the public key is actually an HMAC private key. This could be used to forge any data an attacker wants.",
"fixed_versions": [
"0.3.1"
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"not_impacted": "All versions starting from 0.3.1",
"package_slug": "npm/jwt-simple",
"pubdate": "2018-11-06",
"solution": "Upgrade to version 0.3.1 or above.",
"title": "Forgeable Public/Private Tokens in jwt-simple",
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"https://github.com/hokaccha/node-jwt-simple/pull/16",
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"https://github.com/advisories/GHSA-vgrx-w6rg-8fqf"
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"uuid": "05aee13b-e288-46cf-b898-587d4d3fcdb9"
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"versionEndIncluding": "0.3.0",
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},
"impact": {
"baseMetricV2": {
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"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.0"
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"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2019-10-09T23:16Z",
"publishedDate": "2018-05-31T20:29Z"
}
}
}
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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.
- 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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