Cisco Bug: CSCtd15904 - ipv6 neighbor solicitaion messages are not replied sometimes.
Jan 21, 2017
- Cisco Nexus 4000 Series Switches
- Cisco Nexus 4001I Switch Module for IBM BladeCenter
Known Affected Releases
Symptom: A vulnerability in IPv6 packet handling routine of Cisco NX-OS could allow an unauthenticated, adjacent attacker to cause a device to stop responding to Neighbor Solicitation (NS) requests, causing a limited Denial of Service (DoS) condition. The vulnerability is due to improper processing of adjacencies in the IPv6 neighbor table. An attacker could exploit this vulnerability by sending a sequence of malformed IPv6 packets to an affected device. An exploit could allow the attacker to cause a device to stop responding to Neighbor Solicitation (NS) requests, causing a limited denial of service (DoS) condition. Conditions: Device configured with IPv6.
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Bug Details Include
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- Known Fixed Releases
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