Guest

Preview Tool

Cisco Bug: CSCuo07437 - DHCP server may crash when processing DHCPv6 Client packet

Last Modified

Mar 02, 2018

Products (1)

  • Cisco Network Registrar

Known Affected Releases

7.1(3)

Description (partial)

Symptom:
A vulnerability in DHCPv6 server module of Cisco Network Registrar could allow an unauthenticated, remote attacker to cause a reload of the 
DHCPv6 server on an affected device.

The vulnerability is due to a way certain malformed requests are processed. An attacker could exploit this vulnerability by sending a malformed 
DHCPv6 packet. An exploit could allow the attacker to cause a reload of the DHCPv6 server on an affected device.

Conditions:
Device is configured to process DHCPv6 requests.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.