gsd-2024-20321
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability exists because eBGP traffic is mapped to a shared hardware rate-limiter queue. An attacker could exploit this vulnerability by sending large amounts of network traffic with certain characteristics through an affected device. A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network.
Aliases
Aliases
{
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},
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"value": "A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability exists because eBGP traffic is mapped to a shared hardware rate-limiter queue. An attacker could exploit this vulnerability by sending large amounts of network traffic with certain characteristics through an affected device. A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network."
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{
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"value": "Una vulnerabilidad en la implementaci\u00f3n del protocolo de puerta de enlace de frontera externa (eBGP) del software Cisco NX-OS podr\u00eda permitir que un atacante remoto no autenticado cause una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad existe porque el tr\u00e1fico eBGP est\u00e1 asignado a una cola limitadora de velocidad de hardware compartida. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando grandes cantidades de tr\u00e1fico de red con determinadas caracter\u00edsticas a trav\u00e9s de un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante provocar la ca\u00edda de las sesiones vecinas de eBGP, lo que provocar\u00eda una condici\u00f3n DoS en la red."
}
],
"id": "CVE-2024-20321",
"lastModified": "2024-03-04T22:45:23.647",
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"impactScore": 4.0,
"source": "ykramarz@cisco.com",
"type": "Secondary"
}
]
},
"published": "2024-02-29T01:43:59.410",
"references": [
{
"source": "ykramarz@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJ"
}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-770"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "ykramarz@cisco.com",
"type": "Secondary"
}
]
}
}
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.