Cisco Bug: CSCsm45390 - DHCP relay security vulnerability
Jul 15, 2021
- Cisco Catalyst 4000 Software
Known Affected Releases
12.2(33)SRB4 12.2(33)SXH 12.2(44)SE 12.2SRC
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.
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Bug Details Include
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