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{
"id": "CVE-2023-4408",
"sourceIdentifier": "security-officer@isc.org",
"published": "2024-02-13T14:15:45.253",
"lastModified": "2024-04-26T09:15:08.727",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers.\nThis issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1."
},
{
"lang": "es",
"value": "El c\u00f3digo de an\u00e1lisis de mensajes DNS en \"named\" incluye una secci\u00f3n cuya complejidad computacional es demasiado alta. No causa problemas para el tr\u00e1fico DNS t\u00edpico, pero las consultas y respuestas manipuladas pueden causar una carga excesiva de la CPU en la instancia \"nombrada\" afectada al explotar esta falla. Este problema afecta tanto a los servidores autorizados como a los solucionadores recursivos. Este problema afecta a las versiones de BIND 9, 9.0.0 a 9.16.45, 9.18.0 a 9.18.21, 9.19.0 a 9.19.19, 9.9.3-S1 a 9.11.37-S1, 9.16.8-S1 a 9.16. 45-S1 y 9.18.11-S1 a 9.18.21-S1."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "security-officer@isc.org",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
]
},
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2024/02/13/1",
"source": "security-officer@isc.org"
},
{
"url": "https://kb.isc.org/docs/cve-2023-4408",
"source": "security-officer@isc.org"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/",
"source": "security-officer@isc.org"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/",
"source": "security-officer@isc.org"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/",
"source": "security-officer@isc.org"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/",
"source": "security-officer@isc.org"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240426-0001/",
"source": "security-officer@isc.org"
}
]
}