Multiple vulnerabilities in the Link Layer Discovery Protocolnbsp;(LLDP) subsystem of Cisconbsp;IOS Software, Cisconbsp;IOS XE Software, and Cisconbsp;IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of servicenbsp;(DoS) condition or execute arbitrary code with elevated privileges on an affected device.
For more information about these vulnerabilities, see the Details section of this advisory.
Cisco has released software updates that address these vulnerabilities.
There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
This advisory is part of the March 28, 2018, release of the Cisconbsp;IOS and IOSnbsp;XE Software Security Advisory Bundled Publication, which includes 20 Cisco Security Advisories that describe 22 vulnerabilities.
For a complete list of the advisories and links to them, see Cisco Event Response: March 2018 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.
Security Impact Rating: High