Cisco Bug: CSCun72171 - DHCPv6 standalone: Crash with renew request with option relay(option 9)
Aug 07, 2018
- Cisco ASR 9000 Series Aggregation Services Routers
Known Affected Releases
Symptoms: A vulnerability in the DHCP version 6 (DHCPv6) server implementation of Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper handling of certain DHCPv6 packets. An attacker could exploit this vulnerability by sending these DHCPv6 packets to be processed by an affected device. An exploit could allow the attacker to cause a reset of an affected process. Conditions: Device with default configuration.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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