cve-2023-20083
Vulnerability from cvelistv5
Published
2023-11-01 17:16
Modified
2024-08-02 08:57
Severity
8.6 (High) - cvssV3_1 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in ICMPv6 inspection when configured with the Snort 2 detection engine for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the CPU of an affected device to spike to 100 percent, which could stop all traffic processing and result in a denial of service (DoS) condition. FTD management traffic is not affected by this vulnerability. This vulnerability is due to improper error checking when parsing fields within the ICMPv6 header. An attacker could exploit this vulnerability by sending a crafted ICMPv6 packet through an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition. Note: To recover from the DoS condition, the Snort 2 Detection Engine or the Cisco FTD device may need to be restarted.
References
SourceURLTags
ykramarz@cisco.comhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-icmpv6-dos-4eMkLuNVendor Advisory
Impacted products
VendorProduct
CiscoCisco Firepower Threat Defense Software
Show details on NVD website

To clipboard 

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    "cna": {
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Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando un paquete ICMPv6 manipulado a trav\u00e9s de un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante hacer que el dispositivo agote los recursos de la CPU y deje de procesar el tr\u00e1fico, lo que resultar\u00eda en una condici\u00f3n DoS. 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  }
}


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