Cisco IOS Software PROFINET denial of service (cisco-sa-20170927-profinet)

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


Synopsis :

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

Description :

According to its self-reported version and configuration, the Cisco
IOS software running on the remote device is affected by a denial of
service vulnerability in the PROFINET Discovery and Configuration
Protocol (PN-DCP) feature. An unauthenticated, remote attacker can
exploit this, via specially crafted PN-DCP requests, to cause the
switch to stop processing traffic, requiring a device restart to
regain functionality.

See also :

http://www.nessus.org/u?9b66383b

Solution :

Upgrade to the relevant fixed version referenced in Cisco bug ID
CSCuz47179.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)

Family: CISCO

Nessus Plugin ID: 103670 ()

Bugtraq ID: 101043

CVE ID: CVE-2017-12235

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