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AVEVA InduSoft Web Studio / InTouch Machine Edition Command 81 mbstowcs() Stack Overflow

critical Nessus Plugin ID 111466

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Synopsis

The AVEVA InduSoft Web Studio or InTouch Machine Edition is affected by a remote code execution vulnerability.

Description

The AVEVA InduSoft Web Studio (IWS) or InTouch Machine Edition (ITME) running on the remote host is affected by a remote code execution vulnerability due to a stack overflow condition when handling command 81 in the TCPIP server listening on the default port 1234. An unauthenticated, remote attacker can exploit this issue, via a specially crafted packet, to execute arbitrary code.

Solution

Apply InduSoft Web Studio v8.1 Hotfix 81.1.00.08 and InTouch Machine Edition v8.1 Hotfix 81.1.00.08.

See Also

http://www.nessus.org/u?ed4e5b3a

https://ics-cert.us-cert.gov/advisories/ICSA-18-200-01

Plugin Details

Severity: Critical

ID: 111466

File Name: scada_aveva_iws_itme_cve-2018-10620.nbin

Version: 1.47

Type: remote

Family: SCADA

Published: 7/31/2018

Updated: 8/30/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2018-10620

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/27/2018

Vulnerability Publication Date: 7/13/2018

Reference Information

CVE: CVE-2018-10620

ICSA: 18-200-01

TRA: TRA-2018-19