2025-03-07 19:03:47 +00:00

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{
"id": "CVE-2025-27370",
"sourceIdentifier": "cve@mitre.org",
"published": "2025-03-03T18:15:40.650",
"lastModified": "2025-03-07T17:15:22.083",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "OpenID Connect Core through 1.0 errata set 2 allows audience injection in certain situations. When the private_key_jwt authentication mechanism is used, a malicious Authorization Server could trick a Client into writing attacker-controlled values into the audience, including token endpoints or issuer identifiers of other Authorization Servers. The malicious Authorization Server could then use these private key JWTs to impersonate the Client."
},
{
"lang": "es",
"value": "OpenID Connect Core a trav\u00e9s del conjunto de erratas 1.0 2 permite la inyecci\u00f3n de audiencia en determinadas situaciones. Cuando se utiliza el mecanismo de autenticaci\u00f3n private_key_jwt, un servidor de autorizaci\u00f3n malintencionado podr\u00eda enga\u00f1ar a un cliente para que escriba valores controlados por el atacante en la audiencia, incluidos endpoints de token o identificadores de emisor de otros servidores de autorizaci\u00f3n. El servidor de autorizaci\u00f3n malintencionado podr\u00eda entonces utilizar estos JWT de clave privada para hacerse pasar por el cliente."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "cve@mitre.org",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.6,
"impactScore": 4.7
}
]
},
"weaknesses": [
{
"source": "cve@mitre.org",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-305"
}
]
}
],
"references": [
{
"url": "https://github.com/OWASP/ASVS/issues/2678",
"source": "cve@mitre.org"
},
{
"url": "https://openid.net/notice-of-a-security-vulnerability/",
"source": "cve@mitre.org"
},
{
"url": "https://openid.net/wp-content/uploads/2025/01/OIDF-Responsible-Disclosure-Notice-on-Security-Vulnerability-for-private_key_jwt.pdf",
"source": "cve@mitre.org"
},
{
"url": "https://talks.secworkshop.events/osw2025/talk/R8D9BS/",
"source": "cve@mitre.org"
}
]
}