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Cisco Bug: CSCun63132 - Crafted LLDP packet leads to device crash

Last Modified

Aug 06, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

15.2(1)T1.11 15.2(2)TST

Description (partial)

<B>Symptom:</B>
A vulnerability in the Link Layer Discovery Protocol (LLDP) packet processing code of Cisco IOS could allow an unauthenticated, adjacent attacker to cause the crash of an affected device. 

The vulnerability is due to improper handling of crafted LLDP packets. An attacker could exploit this vulnerability by sending a specially crafted LLDP packet. An exploit could allow the attacker to cause a DoS condition on an affected platform.

<B>Conditions:</B>
LLDP packet processing is enabled at the global level and also enabled on the interface receiving and processing the crafted packet
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