2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2018-20217",
"sourceIdentifier": "cve@mitre.org",
"published": "2018-12-26T21:29:02.543",
"lastModified": "2024-11-21T04:01:06.130",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request."
},
{
"lang": "es",
"value": "Se ha descubierto un problema de aserci\u00f3n alcanzable en el KDC en MIT Kerberos 5 (tambi\u00e9n conocido como krb5), en versiones anteriores a la 1.17. Si un atacante puede obtener un ticket krbtgt mediante un tipo de cifrado m\u00e1s antiguo (DES, Triple DES o RC4), este puede provocar el cierre inesperado de KDC realizando una petici\u00f3n S4U2Self."
}
],
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"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6
}
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"accessComplexity": "MEDIUM",
"authentication": "SINGLE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "LOW",
"exploitabilityScore": 6.8,
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"acInsufInfo": false,
"obtainAllPrivilege": false,
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"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
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"type": "Primary",
"description": [
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"value": "CWE-617"
}
]
}
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