Rockwell Automation/Allen-Bradley CompactLogix and Compact GuardLogix <= 30.014 Improper Input Validation (ICSA-18-172-02)

high Nessus Network Monitor Plugin ID 720132

Synopsis

Improperly implemented option-field processing in the TCP/IP stack on Allen-Bradley CompactLogix and Compact GuardLogix devices causes a denial of service.

Description

Successful exploitation of this vulnerability could result in a denial-of-service condition. As a result, the controller goes into a Major Non-Recoverable Fault (MNRF) state, which is considered safe. However, recovery requires the user to download the application program again.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

Plugin Details

Severity: High

ID: 720132

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 6/21/2018

Vulnerability Publication Date: 6/21/2018

Reference Information

CVE: CVE-2017-9312

BID: 104528

Detections

Analytics