Cisco IOS IPv6 Packet ACL Restriction Bypass

This script is Copyright (C) 2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

According to its self-reported IOS version, the remote device is
affected by a security bypass vulnerability.

The flaw is due to the handling of specially crafted IPv6 packets in
an unspecified scenario. A remote attacker, with a specially crafted
request, could bypass the ACL restrictions on the interface.

See also :

https://tools.cisco.com/bugsearch/bug/CSCty73682/
http://www.nessus.org/u?652d2c01

Solution :

Upgrade to one of the non-vulnerable versions listed in the bug
details for CSCty73682.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: CISCO

Nessus Plugin ID: 76346 ()

Bugtraq ID: 68261

CVE ID: CVE-2012-3946