Multiple vulnerabilities in Yokogawa FAST/TOOLS and CI Server

Published: 2024-07-01

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-4105 CVE-2024-4106
CWE-ID	CWE-79 CWE-258
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	FAST/TOOLS RVSVRN Package Server applications / SCADA systems FAST/TOOLS UNSVRN Package Server applications / SCADA systems FAST/TOOLS HMIWEB Package Server applications / SCADA systems FAST/TOOLS FTEES Package Server applications / SCADA systems FAST/TOOLS HMIMOB Package Server applications / SCADA systems CI Server Server applications / SCADA systems
Vendor	Yokogawa

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU93510

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4105

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the WEB HMI server's function. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FAST/TOOLS RVSVRN Package: R9.01 - R10.04

FAST/TOOLS UNSVRN Package: R9.01 - R10.04

FAST/TOOLS HMIWEB Package: R9.01 - R10.04

FAST/TOOLS FTEES Package: R9.01 - R10.04

FAST/TOOLS HMIMOB Package: R9.01 - R10.04

CI Server: R1.01.00 - R1.03.00

CPE2.3

External links

http://web-material3.yokogawa.com/1/36059/files/YSAR-24-0001-E.pdf
http://www.cisa.gov/news-events/ics-advisories/icsa-24-179-03

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Empty Password in Configuration File

EUVDB-ID: #VU93511

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-2024-4106

CWE-ID: CWE-258 - Empty password in configuration file