AVEVA InduSoft Web Studio / InTouch Edge HMI UniSoft.dll wcscpy() Stack Overflow

critical Nessus Plugin ID 118576

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The AVEVA InduSoft Web Studio or InTouch Edge HMI (formerly InTouch Machine Edition) is affected by a remote code execution vulnerability.

Description

The AVEVA InduSoft Web Studio (IWS) or InTouch Edge HMI (formerly InTouch Machine Edition) running on the remote host is affected by a remote code execution vulnerability due to a stack overflow condition when handling certain command messages to the TCPIP server listening on the default port 1234. An unauthenticated, remote attacker can exploit this issue, via a specially crafted message, to execute arbitrary code.

Solution

Apply InduSoft Web Studio v8.1 SP2 or later / InTouch Edge HMI (formerly InTouch Machine Edition) 2017 SP2 or later.

See Also

http://www.nessus.org/u?a158baaf

https://ics-cert.us-cert.gov/advisories/ICSA-18-305-01

Plugin Details

Severity: Critical

ID: 118576

File Name: scada_aveva_iws_iteh_unisoft_stack_overflow.nbin

Version: 1.23

Type: remote

Family: SCADA

Published: 10/31/2018

Updated: 7/12/2021

Dependencies: scada_schneider_electric_iws_itme_tcpip_server_detect.nbin

Risk Information

CVSS Score Source: CVE-2018-17916

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:schneider_electric:indusoft_web_studio, x-cpe:/a:schneider_electric:wonderware_intouch_machine_edition, x-cpe:/a:aveva:intouch_edge_hmi

Exploit Ease: No known exploits are available

Patch Publication Date: 10/30/2018

Vulnerability Publication Date: 10/30/2018

Reference Information

CVE: CVE-2018-17916

ICSA: 18-305-01

TRA: TRA-2018-34