Cisco IOS Web Authentication DoS

This script is Copyright (C) 2012-2015 Tenable Network Security, Inc.


Synopsis :

The remote device is missing a vendor-supplied security patch.

Description :

The version of Cisco IOS installed on the remote host is affected by a
denial of service vulnerability due to an error while parsing local
web authentication. A remote attacker, by entering an extremely rapid
input of credentials, can exploit this to crash the switch, forcing a
reboot.

See also :

http://tools.cisco.com/security/center/viewAlert.x?alertId=26615
https://tools.cisco.com/bugsearch/bug/CSCts88664

Solution :

Upgrade to the relevant fixed version referenced in Cisco bug ID
CSCts88664.

Risk factor :

Medium / CVSS Base Score : 6.3
(CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:C)
CVSS Temporal Score : 5.2
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: CISCO

Nessus Plugin ID: 61492 ()

Bugtraq ID: 54834

CVE ID: CVE-2012-1338