Cisco IOS XE VSS / BDF Traffic DoS (CSCug41049 / CSCue61890)

This script is Copyright (C) 2014-2017 Tenable Network Security, Inc.


Synopsis :

The remote device is affected by a denial of service vulnerability.

Description :

The remote Cisco device is affected by a denial of service
vulnerability in its packet driver code when handling Virtual
Switching Systems (VSS) or Bidirectional Forwarding Detection (BFD)
traffic. An unauthenticated, adjacent attacker can exploit this to
cause a device reload.

Note that this issue only affects Cisco Catalyst 4000 Series switches.

See also :

https://tools.cisco.com/security/center/viewAlert.x?alertId=33558

Solution :

Upgrade to the relevant fixed version referenced in Cisco bug IDs
CSCug41049 and CSCue61890.

Risk factor :

Medium / CVSS Base Score : 6.1
(CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: CISCO

Nessus Plugin ID: 73829 ()

Bugtraq ID: 66515

CVE ID: CVE-2014-2131

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