Multiple vulnerabilities in Phoenix Contact TC ROUTER and TC CLOUD CLIENT

Published: 2023-09-08

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-3526 CVE-2023-3569
CWE-ID	CWE-79 CWE-776
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	TC ROUTER 3002T-4G Hardware solutions / Routers & switches, VoIP, GSM, etc TC ROUTER 3002T-4G ATT Hardware solutions / Routers & switches, VoIP, GSM, etc TC ROUTER 3002T-4G VZW Hardware solutions / Routers & switches, VoIP, GSM, etc TC CLOUD CLIENT 1002-4G Hardware solutions / Routers & switches, VoIP, GSM, etc TC CLOUD CLIENT 1002-4G ATT Hardware solutions / Routers & switches, VoIP, GSM, etc TC CLOUD CLIENT 1002-4G VZW Hardware solutions / Routers & switches, VoIP, GSM, etc CLOUD CLIENT 1101T-TX/TX Hardware solutions / Routers & switches, VoIP, GSM, etc
Vendor	Phoenix Contact GmbH

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU80551

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3526

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 within the license viewer page. 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

TC ROUTER 3002T-4G: before 2.07.2

TC ROUTER 3002T-4G ATT: before 2.07.2

TC ROUTER 3002T-4G VZW: before 2.07.2

TC CLOUD CLIENT 1002-4G: before 2.07.2

TC CLOUD CLIENT 1002-4G ATT: before 2.07.2

TC CLOUD CLIENT 1002-4G VZW: before 2.07.2

CLOUD CLIENT 1101T-TX/TX: before 2.06.10

CPE2.3

External links

https://cert.vde.com/en/advisories/VDE-2023-017
https://seclists.org/fulldisclosure/2023/Aug/12
https://packetstormsecurity.com/files/174152/Phoenix-Contact-TC-Cloud-TC-Router-2.x-XSS-Memory-Consumption.html

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 device 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) XML Entity Expansion

EUVDB-ID: #VU80552