GSD-2023-29020
Vulnerability from gsd - Updated: 2023-12-13 01:20Details
@fastify/passport is a port of passport authentication library for the Fastify ecosystem. The CSRF (Cross-Site Request Forger) protection enforced by the `@fastify/csrf-protection` library, when combined with `@fastify/passport` in affected versions, can be bypassed by network and same-site attackers. `fastify/csrf-protection` implements the synchronizer token pattern (using plugins `@fastify/session` and `@fastify/secure-session`) by storing a random value used for CSRF token generation in the `_csrf` attribute of a user's session. The `@fastify/passport` library does not clear the session object upon authentication, preserving the `_csrf` attribute between pre-login and authenticated sessions. Consequently, CSRF tokens generated before authentication are still valid. Network and same-site attackers can thus obtain a CSRF token for their pre-session, fixate that pre-session in the victim's browser via cookie tossing, and then perform a CSRF attack after the victim authenticates. As a solution, newer versions of `@fastify/passport` include the configuration options: `clearSessionOnLogin (default: true)` and `clearSessionIgnoreFields (default: ['passport', 'session'])` to clear all the session attributes by default, preserving those explicitly defined in `clearSessionIgnoreFields`.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-29020",
"id": "GSD-2023-29020"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-29020"
],
"details": "@fastify/passport is a port of passport authentication library for the Fastify ecosystem. The CSRF (Cross-Site Request Forger) protection enforced by the `@fastify/csrf-protection` library, when combined with `@fastify/passport` in affected versions, can be bypassed by network and same-site attackers. `fastify/csrf-protection` implements the synchronizer token pattern (using plugins `@fastify/session` and `@fastify/secure-session`) by storing a random value used for CSRF token generation in the `_csrf` attribute of a user\u0027s session. The `@fastify/passport` library does not clear the session object upon authentication, preserving the `_csrf` attribute between pre-login and authenticated sessions. Consequently, CSRF tokens generated before authentication are still valid. Network and same-site attackers can thus obtain a CSRF token for their pre-session, fixate that pre-session in the victim\u0027s browser via cookie tossing, and then perform a CSRF attack after the victim authenticates. As a solution, newer versions of `@fastify/passport` include the configuration options: `clearSessionOnLogin (default: true)` and `clearSessionIgnoreFields (default: [\u0027passport\u0027, \u0027session\u0027])` to clear all the session attributes by default, preserving those explicitly defined in `clearSessionIgnoreFields`.",
"id": "GSD-2023-29020",
"modified": "2023-12-13T01:20:57.068592Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2023-29020",
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"affects": {
"vendor": {
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"product": {
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"product_name": "fastify-passport",
"version": {
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"version_value": "\u003c 1.1.0"
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"value": "@fastify/passport is a port of passport authentication library for the Fastify ecosystem. The CSRF (Cross-Site Request Forger) protection enforced by the `@fastify/csrf-protection` library, when combined with `@fastify/passport` in affected versions, can be bypassed by network and same-site attackers. `fastify/csrf-protection` implements the synchronizer token pattern (using plugins `@fastify/session` and `@fastify/secure-session`) by storing a random value used for CSRF token generation in the `_csrf` attribute of a user\u0027s session. The `@fastify/passport` library does not clear the session object upon authentication, preserving the `_csrf` attribute between pre-login and authenticated sessions. Consequently, CSRF tokens generated before authentication are still valid. Network and same-site attackers can thus obtain a CSRF token for their pre-session, fixate that pre-session in the victim\u0027s browser via cookie tossing, and then perform a CSRF attack after the victim authenticates. As a solution, newer versions of `@fastify/passport` include the configuration options: `clearSessionOnLogin (default: true)` and `clearSessionIgnoreFields (default: [\u0027passport\u0027, \u0027session\u0027])` to clear all the session attributes by default, preserving those explicitly defined in `clearSessionIgnoreFields`."
}
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"impact": {
"cvss": [
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
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"cweId": "CWE-352",
"lang": "eng",
"value": "CWE-352: Cross-Site Request Forgery (CSRF)"
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"name": "https://github.com/fastify/fastify-passport/security/advisories/GHSA-2ccf-ffrj-m4qw",
"refsource": "MISC",
"url": "https://github.com/fastify/fastify-passport/security/advisories/GHSA-2ccf-ffrj-m4qw"
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{
"name": "https://github.com/fastify/fastify-passport/commit/07c90feab9cba0dd4779e47cfb0717a7e2f01d3d",
"refsource": "MISC",
"url": "https://github.com/fastify/fastify-passport/commit/07c90feab9cba0dd4779e47cfb0717a7e2f01d3d"
},
{
"name": "https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html#synchronizer-token-pattern",
"refsource": "MISC",
"url": "https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html#synchronizer-token-pattern"
},
{
"name": "https://owasp.org/www-community/attacks/csrf",
"refsource": "MISC",
"url": "https://owasp.org/www-community/attacks/csrf"
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},
"source": {
"advisory": "GHSA-2ccf-ffrj-m4qw",
"discovery": "UNKNOWN"
}
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"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c1.1.0||\u003e=2.0.0 \u003c2.3.0",
"affected_versions": "All versions before 1.1.0, all versions starting from 2.0.0 before 2.3.0",
"cwe_ids": [
"CWE-1035",
"CWE-352",
"CWE-352",
"CWE-384",
"CWE-937"
],
"date": "2023-04-21",
"description": "@fastify/passport is a port of passport authentication library for the Fastify ecosystem. The CSRF (Cross-Site Request Forger) protection enforced by the `@fastify/csrf-protection` library, when combined with `@fastify/passport` in affected versions, can be bypassed by network and same-site attackers. `fastify/csrf-protection` implements the synchronizer token pattern (using plugins `@fastify/session` and `@fastify/secure-session`) by storing a random value used for CSRF token generation in the `_csrf` attribute of a user\u0027s session. The `@fastify/passport` library does not clear the session object upon authentication, preserving the `_csrf` attribute between pre-login and authenticated sessions. Consequently, CSRF tokens generated before authentication are still valid. Network and same-site attackers can thus obtain a CSRF token for their pre-session, fixate that pre-session in the victim\u0027s browser via cookie tossing, and then perform a CSRF attack after the victim authenticates. As a solution, newer versions of `@fastify/passport` include the configuration options: `clearSessionOnLogin (default: true)` and `clearSessionIgnoreFields (default: [\u0027passport\u0027, \u0027session\u0027])` to clear all the session attributes by default, preserving those explicitly defined in `clearSessionIgnoreFields`.",
"fixed_versions": [
"1.1.0",
"2.3.0"
],
"identifier": "CVE-2023-29020",
"identifiers": [
"GHSA-2ccf-ffrj-m4qw",
"CVE-2023-29020"
],
"not_impacted": "All versions starting from 1.1.0 before 2.0.0, all versions starting from 2.3.0",
"package_slug": "npm/@fastify/passport",
"pubdate": "2023-04-21",
"solution": "Upgrade to versions 1.1.0, 2.3.0 or above.",
"title": "Session Fixation",
"urls": [
"https://github.com/fastify/fastify-passport/security/advisories/GHSA-2ccf-ffrj-m4qw",
"https://github.com/advisories/GHSA-2ccf-ffrj-m4qw"
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"uuid": "d4b454b0-1a92-41b0-928d-6bb1ce8d3d0f"
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"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-352",
"CWE-937"
],
"date": "2023-05-23",
"description": "This advisory has been marked as False Positive and removed.",
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"identifier": "CVE-2023-29020",
"identifiers": [
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"package_slug": "npm/passport",
"pubdate": "2023-04-21",
"solution": "Upgrade to version 1.1.1, 2.3.0 or above.",
"title": "False Positive",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2023-29020",
"https://github.com/fastify/fastify-passport/security/advisories/GHSA-2ccf-ffrj-m4qw",
"https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html#synchronizer-token-pattern",
"https://github.com/fastify/fastify-passport/commit/07c90feab9cba0dd4779e47cfb0717a7e2f01d3d",
"https://owasp.org/www-community/attacks/csrf"
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"uuid": "ec35bbc3-d8c7-4c40-b534-01b6c4097d7a"
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"value": "@fastify/passport is a port of passport authentication library for the Fastify ecosystem. The CSRF (Cross-Site Request Forger) protection enforced by the `@fastify/csrf-protection` library, when combined with `@fastify/passport` in affected versions, can be bypassed by network and same-site attackers. `fastify/csrf-protection` implements the synchronizer token pattern (using plugins `@fastify/session` and `@fastify/secure-session`) by storing a random value used for CSRF token generation in the `_csrf` attribute of a user\u0027s session. The `@fastify/passport` library does not clear the session object upon authentication, preserving the `_csrf` attribute between pre-login and authenticated sessions. Consequently, CSRF tokens generated before authentication are still valid. Network and same-site attackers can thus obtain a CSRF token for their pre-session, fixate that pre-session in the victim\u0027s browser via cookie tossing, and then perform a CSRF attack after the victim authenticates. As a solution, newer versions of `@fastify/passport` include the configuration options: `clearSessionOnLogin (default: true)` and `clearSessionIgnoreFields (default: [\u0027passport\u0027, \u0027session\u0027])` to clear all the session attributes by default, preserving those explicitly defined in `clearSessionIgnoreFields`."
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"impact": {
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"attackVector": "NETWORK",
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"baseScore": 6.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
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"exploitabilityScore": 2.8,
"impactScore": 3.6
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},
"lastModifiedDate": "2023-05-03T14:42Z",
"publishedDate": "2023-04-21T23:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
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.
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