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64 lines
3.2 KiB
JSON
64 lines
3.2 KiB
JSON
{
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"id": "CVE-2024-20308",
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"sourceIdentifier": "psirt@cisco.com",
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"published": "2024-03-27T18:15:09.853",
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"lastModified": "2024-11-26T16:15:12.960",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "A vulnerability in the IKEv1 fragmentation code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a heap underflow, resulting in an affected device reloading.\r\n\r This vulnerability exists because crafted, fragmented IKEv1 packets are not properly reassembled. An attacker could exploit this vulnerability by sending crafted UDP packets to an affected system. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\r\n\r Note: Only traffic that is directed to the affected system can be used to exploit this vulnerability. This vulnerability can be triggered by IPv4 and IPv6 traffic.."
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},
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{
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"lang": "es",
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"value": "Una vulnerabilidad en el c\u00f3digo de fragmentaci\u00f3n IKEv1 del software Cisco IOS y Cisco IOS XE podr\u00eda permitir que un atacante remoto no autenticado provoque un desbordamiento de almacenamiento din\u00e1mico, lo que resultar\u00eda en la recarga del dispositivo afectado. Esta vulnerabilidad existe porque los paquetes IKEv1 fragmentados y elaborados no se vuelven a ensamblar correctamente. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando paquetes UDP manipulados a un sistema afectado. Un exploit exitoso podr\u00eda permitir al atacante hacer que el dispositivo afectado se recargue, lo que resultar\u00eda en una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Nota: S\u00f3lo el tr\u00e1fico dirigido al sistema afectado se puede utilizar para aprovechar esta vulnerabilidad. Esta vulnerabilidad puede ser provocada por el tr\u00e1fico IPv4 e IPv6."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "psirt@cisco.com",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
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"baseScore": 8.6,
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"baseSeverity": "HIGH",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 4.0
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}
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]
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},
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"weaknesses": [
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{
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-787"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ikev1-NO2ccFWz",
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"source": "psirt@cisco.com"
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},
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ikev1-NO2ccFWz",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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}
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]
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} |