Description
Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka "TCP-ACK DoS attack."
References
- VU#245190 third-party-advisory
- 20040609 Cisco CatOS Telnet, HTTP and SSH Vulnerability vendor-advisory
- cisco-catalyst-ack-dos(16370) vdb-entry