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

High Nessus Plugin ID 103670

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.

Solution

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

See Also

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

Plugin Details

Severity: High

ID: 103670

File Name: cisco-sa-20170927-profinet.nasl

Version: 1.9

Type: combined

Family: CISCO

Published: 2017/10/05

Modified: 2018/08/24

Dependencies: 47864

Risk Information

Risk Factor: High

CVSS Score Source: CVE-2017-12235

CVSSv2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSSv3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Patch Publication Date: 2017/09/27

Vulnerability Publication Date: 2017/09/27

Reference Information

CVE: CVE-2017-12235

BID: 101043

CISCO-BUG-ID: CSCuz47179

CISCO-SA: cisco-sa-20170927-profinet