Guest

Preview Tool

Cisco Bug: CSCsm45390 - DHCP relay security vulnerability

Last Modified

Mar 25, 2019

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33)SRB4 12.2(33)SXH 12.2(44)SE 12.2SRC

Description (partial)

Symptom:

An IOS software crash may occur when receiving a specific malformed DHCP packet. 
Conditions:

An IOS device configured for DHCP Server and receives a DHCP-request from a DHCP relay device. A specific malformed option in the packet packet may induce a software traceback or crash. The specific packet will not occur without manual modification.

Related Community Discussions

Can I grab the first fix info to -all calls
Can I grab the first fix info from the https://api.cisco.com/security/advisories/all itself I see all the attributes like advisory_id and details on it except for first fixed version, can I get this value added too.
Latest activity: Jul 03, 2018
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.