Description
The TCP implementation in Cisco IOS does not properly implement the transitions from the ESTABLISHED state to the CLOSED state, which allows remote attackers to cause a denial of service (flood of ACK packets) via a crafted series of ACK and FIN packets, aka Bug ID CSCtz14399.
References
- 1028969 vdb-entry
- 62083 vdb-entry
- 20130830 Cisco IOS Software TCP ACK Storm Vulnerability vendor-advisory
- cisco-ios-cve20135469-dos(86794) vdb-entry
- 96764 vdb-entry