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Cisco Bug: CSCum85558 - dhcpv6 crashed @ dhcpv6d_is_fsm_bound_state

Last Modified

Aug 08, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.2.0.BASE

Description (partial) 

Symptom:
Vulnerability or Issue in DHCPv6 code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a crash of the DHCPv6 
process on an affected device.

The vulnerability is due to incorrect handling of malformed DHCPv6 packets. An attacker could exploit this vulnerability by sending a malformed 
DHCPv6 packet to an affected device configured with DHCPv6 server functionality. An exploit could allow the attacker to cause a crash of the 
DHCPv6 process on an affected device.


Conditions: 
Device configured to as DHCPv6 server.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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