CVE-2019-1750 (GCVE-0-2019-1750)

Vulnerability from cvelistv5 – Published: 2019-03-27 23:55 – Updated: 2024-11-21 19:41
VLAI?
Summary
A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an unauthenticated, adjacent attacker to cause the switches to reload. The vulnerability is due to incomplete error handling when processing Cisco Discovery Protocol (CDP) packets used with the Easy Virtual Switching System. An attacker could exploit this vulnerability by sending a specially crafted CDP packet. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Severity ?
7.4 (High)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE
Assigner
References
https://tools.cisco.com/security/center/content/C… vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/107607 vdb-entryx_refsource_BID
Impacted products
Vendor Product Version
Cisco Cisco IOS XE Software Affected: 3.6.0E
Affected: 3.6.1E
Affected: 3.6.0aE
Affected: 3.6.0bE
Affected: 3.6.2aE
Affected: 3.6.2E
Affected: 3.6.3E
Affected: 3.6.4E
Affected: 3.6.5E
Affected: 3.6.6E
Affected: 3.6.5aE
Affected: 3.6.5bE
Affected: 3.6.7E
Affected: 3.6.8E
Affected: 3.6.7aE
Affected: 3.6.7bE
Affected: 3.6.9E
Affected: 3.6.10E
Affected: 3.7.0E
Affected: 3.7.1E
Affected: 3.7.2E
Affected: 3.7.3E
Affected: 3.8.0E
Affected: 3.8.1E
Affected: 3.8.2E
Affected: 3.8.3E
Affected: 3.8.4E
Affected: 3.8.5E
Affected: 3.8.5aE
Affected: 3.8.6E
Affected: 3.8.7E
Affected: 3.9.0E
Affected: 3.9.1E
Affected: 3.9.2E
Affected: 3.9.2bE
Affected: 16.9.2h
Affected: 3.10.0E
Affected: 3.10.1E
Affected: 3.10.0cE
Affected: 3.10.2E
Affected: 3.10.1aE
Affected: 3.10.1sE
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an unauthenticated, adjacent attacker to cause the switches to reload. The vulnerability is due to incomplete error handling when processing Cisco Discovery Protocol (CDP) packets used with the Easy Virtual Switching System. An attacker could exploit this vulnerability by sending a specially crafted CDP packet. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad en el VSS (Easy Virtual Switching System) del software Cisco IOS XE en los switches Catalyst 4500 Series podr\\u00eda permitir que un atacante adyacente no autenticado provoque la recarga de los switches. La vulnerabilidad se debe a la gesti\\u00f3n incompleta de errores al procesar paquetes CDP (Cisco Discovery Protocol) empleados en el VSS. Un atacante podr\\u00eda explotar esta vulnerabilidad enviando un paquete CDP especialmente manipulado. Su explotaci\\u00f3n podr\\u00eda permitir que el atacante consiga que el dispositivo se reinicie, provocando una denegaci\\u00f3n de servicio (DoS).\"}]",
      "id": "CVE-2019-1750",
      "lastModified": "2024-11-21T04:37:16.857",
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      "published": "2019-03-28T00:29:00.747",
      "references": "[{\"url\": \"http://www.securityfocus.com/bid/107607\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-evss\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/107607\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-evss\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "ykramarz@cisco.com",
      "vulnStatus": "Modified",
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    },
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
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  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.