Cisco IOS Malformed IPv4 Packet Remote DoS

This script is (C) 2003-2013 Tenable Network Security, Inc.


Synopsis :

The remote network device has a denial of service vulnerability.

Description :

According to its version number, the remote router or switch is running
a vulnerable version of Cisco IOS. Sending a specific sequence of IPv4
packets can cause the input interface to stop accepting traffic.

Note that this vulnerability does not affect devices that only use
IPv6.

See also :

http://www.nessus.org/u?5262d246

Solution :

Upgrade to the version of IOS referenced in the vendor's advisory.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:H/RL:W/RC:C)
Public Exploit Available : true

Family: CISCO

Nessus Plugin ID: 11791 (cisco_ipv4_dos.nasl)

Bugtraq ID: 8211

CVE ID: CVE-2003-0567