cisco-sa-20180620-nxosigmp: Cisco NX-OS Software Internet Group Management Protocol Snooping Remote Code Execution and Denial of Service Vulnerability

First published: Wed Jun 20 2018(Updated: )

A vulnerability in the Internet Group Management Protocol (IGMP) Snooping feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code and gain full control of an affected system. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the IGMP Snooping subsystem. An attacker could exploit this vulnerability by sending crafted IGMP packets to an affected system. An exploit could allow the attacker to execute arbitrary code and gain full control of the affected system or cause the affected system to reload, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxosigmp This advisory is part of the June 2018 Cisco FXOS and NX-OS Software Security Advisory Collection, which includes 24 Cisco Security Advisories that describe 24 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: June 2018 Cisco FXOS and NX-OS Software Security Advisory Collection.

Affected Software	Affected Version	How to fix
Cisco NX-OS Software
Cisco NX-OS Software	=13.1/3.1<13.1(1i)/3.1(1i)=13.0/3.0<13.1(1i)/3.1(1i)=12.3/2.3<13.1(1i)/3.1(1i)=12.2/2.2<13.1(1i)/3.1(1i)=12.1/2.1<13.1(1i)/3.1(1i)=Prior to 12.1/2.1<13.1(1i)/3.1(1i)	13.1(1i)/3.1(1i) 13.1(1i)/3.1(1i) 13.1(1i)/3.1(1i) 13.1(1i)/3.1(1i) 13.1(1i)/3.1(1i) 13.1(1i)/3.1(1i)

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Reference Links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxosigmp (Advisory)

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2018-0292

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collector/cisco-advisory
source/Cisco
agent/software-canonical-lookup
vendor/cisco
canonical/cisco nx-os software
version/cisco nx-os software/13.1/3.1
version/cisco nx-os software/13.0/3.0
version/cisco nx-os software/12.3/2.3
version/cisco nx-os software/12.2/2.2
version/cisco nx-os software/12.1/2.1
version/cisco nx-os software/prior to 12.1/2.1

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