gsd-2021-22160
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to "none". This allows an attacker to connect to Pulsar instances as any user (incl. admins).
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-22160",
"description": "If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to \"none\". This allows an attacker to connect to Pulsar instances as any user (incl. admins).",
"id": "GSD-2021-22160"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to \"none\". This allows an attacker to connect to Pulsar instances as any user (incl. admins).",
"id": "GSD-2021-22160",
"modified": "2023-12-13T01:23:24.698968Z",
"schema_version": "1.4.0"
}
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"source": {
"discovery": "UNKNOWN"
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"gitlab.com": {
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"affected_range": "(,2.7.1)",
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"date": "2022-06-04",
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"package_slug": "maven/org.apache.pulsar/pulsar-broker-common",
"pubdate": "2021-05-26",
"solution": "Upgrade to version 2.7.1 or above.",
"title": "Improper Verification of Cryptographic Signature",
"urls": [
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"uuid": "9e22a94a-5a81-4d7e-b4ad-914ddb039abb"
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"CWE-347",
"CWE-937"
],
"date": "2022-06-04",
"description": "If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to \"none\". This allows an attacker to connect to Pulsar instances as any user (incl. admins).",
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"pubdate": "2021-05-26",
"solution": "Upgrade to version 2.7.1 or above.",
"title": "Improper Verification of Cryptographic Signature",
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"date": "2021-06-07",
"description": "If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to \"none\". This allows an attacker to connect to Pulsar instances as any user (incl. admins).",
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"pubdate": "2021-06-01",
"solution": "Upgrade to version 2.7.2 or above.",
"title": "Improper Verification of Cryptographic Signature",
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},
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},
{
"name": "[pulsar-dev] 20210604 Re: [DISCUSS] Propose More Formal Policy for Security Patches and EOL of Versions",
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"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:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
},
"lastModifiedDate": "2022-06-04T02:49Z",
"publishedDate": "2021-05-26T13:15Z"
}
}
}
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- 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.