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

high Nessus Plugin ID 103670

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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.

Plugin Details

Severity: High

ID: 103670

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

Version: 1.14

Type: combined

Family: CISCO

Published: 10/5/2017

Updated: 4/25/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

CVSS Score Source: CVE-2017-12235

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/27/2017

Vulnerability Publication Date: 9/27/2017

CISA Known Exploited Vulnerability Due Dates: 3/24/2022

Reference Information

CVE: CVE-2017-12235

BID: 101043

CISCO-SA: cisco-sa-20170927-profinet

CISCO-BUG-ID: CSCuz47179

Detections

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