Multiple vulnerabilities in Mitsubishi Electric Factory Automation Engineering Software Products

Published: 2020-07-01

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-5602 CVE-2020-5603
CWE-ID	CWE-611 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	CPU Module Logging Configuration Tool Client/Desktop applications / Software for system administration CW Configurator Client/Desktop applications / Software for system administration EM Software Development Kit Client/Desktop applications / Software for system administration GT Designer3 Client/Desktop applications / Software for system administration GX LogViewer Client/Desktop applications / Software for system administration GX Works2 Client/Desktop applications / Software for system administration GX Works3 Client/Desktop applications / Software for system administration M_CommDTM-HART Client/Desktop applications / Software for system administration M_CommDTM-IO-Link Client/Desktop applications / Software for system administration MELFA-Works Client/Desktop applications / Software for system administration MELSEC-L Flexible High-Speed I/O Control Module Configuration Tool Client/Desktop applications / Software for system administration MELSOFT FieldDeviceConfigurator Client/Desktop applications / Software for system administration MELSOFT iQ AppPortal Client/Desktop applications / Software for system administration MELSOFT Navigator Client/Desktop applications / Software for system administration MI Configurator Client/Desktop applications / Software for system administration Motion Control Setting Client/Desktop applications / Software for system administration MR Configurator2 Client/Desktop applications / Software for system administration MT Works2 Client/Desktop applications / Software for system administration RT ToolBox2 Client/Desktop applications / Software for system administration RT ToolBox3 Client/Desktop applications / Software for system administration
Vendor	Mitsubishi Electric

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) XML External Entity injection

EUVDB-ID: #VU29429

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5602

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can send a specially crafted file on the computer running the product to the outside and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CPU Module Logging Configuration Tool: 1.94Y

CW Configurator: 1.010L

EM Software Development Kit: 1.010L

GT Designer3: 1.221F

GX LogViewer: 1.96A

GX Works2: 1.586L

GX Works3: 1.058L

M_CommDTM-HART: 1.00A

M_CommDTM-IO-Link: 1.02C

MELFA-Works: 4.3

MELSEC-L Flexible High-Speed I/O Control Module Configuration Tool: 1.004E

MELSOFT FieldDeviceConfigurator: 1.03D

MELSOFT iQ AppPortal: 1.11M

MELSOFT Navigator: 1.003D

MI Configurator: 1.003D

Motion Control Setting: 1.005F

MR Configurator2: 1.72A

MT Works2: 1.156N

RT ToolBox2: 3.72A

RT ToolBox3: 1.50C

External links

http://jvn.jp/en/vu/JVNVU90307594/index.html
http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-004_en.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU29430