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nvd-json-data-feeds/CVE-2019/CVE-2019-148xx/CVE-2019-14870.json

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{
"id": "CVE-2019-14870",
"sourceIdentifier": "secalert@redhat.com",
"published": "2019-12-10T23:15:10.457",
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"lastModified": "2023-11-07T03:05:21.010",
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"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "All Samba versions 4.x.x before 4.9.17, 4.10.x before 4.10.11 and 4.11.x before 4.11.3 have an issue, where the S4U (MS-SFU) Kerberos delegation model includes a feature allowing for a subset of clients to be opted out of constrained delegation in any way, either S4U2Self or regular Kerberos authentication, by forcing all tickets for these clients to be non-forwardable. In AD this is implemented by a user attribute delegation_not_allowed (aka not-delegated), which translates to disallow-forwardable. However the Samba AD DC does not do that for S4U2Self and does set the forwardable flag even if the impersonated client has the not-delegated flag set."
},
{
"lang": "es",
"value": "Todas las versiones de Samba 4.xx anteriores a 4.9.17, versiones 4.10.x anteriores a 4.10.11 y versiones 4.11.x anteriores a 4.11.3, presentan un problema, donde el modelo de delegaci\u00f3n de Kerberos S4U (MS-SFU) incluye una funcionalidad que permite a un subconjunto de clientes ser excluidos de la delegaci\u00f3n restringida de cualquier manera, ya sea S4U2Self o autenticaci\u00f3n Kerberos regular, al forzar que todos los tickets para estos clientes no sean reenviables. En AD, esto es implementado mediante un atributo de usuario delegation_not_allowed (tambi\u00e9n se conoce como no delegado), que se traduce como no permitido-reenviable. Sin embargo, el AD DC Samba no hace eso para S4U2Self y establece el flag reenviable inclusive si el cliente suplantado tiene el conjunto de flags no delegados."
}
],
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"source": "nvd@nist.gov",
"type": "Primary",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.8,
"impactScore": 2.5
}
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"type": "Secondary",
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"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM"
},
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"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "NONE",
"baseScore": 6.4
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 10.0,
"impactScore": 4.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
},
{
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"source": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-285"
}
]
}
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"references": [
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00038.html",
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
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]
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14870",
"source": "secalert@redhat.com",
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},
{
"url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html",
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},
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PJH3ROOFYMOATD2UEPC47P5RPBDTY77E/",
"source": "secalert@redhat.com"
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},
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNKA4YIPV7AZR7KK3GW6L3HKGHSGJZFE/",
"source": "secalert@redhat.com"
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},
{
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"source": "secalert@redhat.com",
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]
},
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{
"url": "https://security.gentoo.org/glsa/202310-06",
"source": "secalert@redhat.com"
},
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{
"url": "https://security.netapp.com/advisory/ntap-20191210-0002/",
"source": "secalert@redhat.com",
"tags": [
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]
},
{
"url": "https://security.netapp.com/advisory/ntap-20230216-0008/",
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},
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"url": "https://usn.ubuntu.com/4217-1/",
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"source": "secalert@redhat.com",
"tags": [
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]
},
{
"url": "https://www.synology.com/security/advisory/Synology_SA_19_40",
"source": "secalert@redhat.com",
"tags": [
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]
}
]
}
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