#VU89909 Input validation error in Phoenix Contact GmbH products - CVE-2024-28135

Vulnerability identifier: #VU89909

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-28135

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
CHARX SEC-3000
Hardware solutions / Firmware
CHARX SEC-3050
Hardware solutions / Firmware
CHARX SEC-3100
Hardware solutions / Firmware
CHARX SEC-3150
Hardware solutions / Firmware

Vendor: Phoenix Contact GmbH

Description

The vulnerability allows a remote user to execute arbitrary commands on the system.

The vulnerability exists due to insufficient validation of user-supplied input within the handling of the filename parameter to the update2-install endpoint. A remote administrator on the local network can pass specially crafted data to the application and execute arbitrary commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CHARX SEC-3000: 1.5.1

CHARX SEC-3050: 1.5.1

CHARX SEC-3100: 1.5.1

CHARX SEC-3150: 1.5.1

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External links
https://cert.vde.com/en/advisories/VDE-2024-019
https://www.zerodayinitiative.com/advisories/ZDI-24-522/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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