#VU93226 Buffer overflow in Phoenix Contact GmbH products - CVE-2024-26001

Vulnerability identifier: #VU93226

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-26001

CWE-ID: CWE-119

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 attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the handling of JSON-encoded arrays. A remote attacker on the local network can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CHARX SEC-3000: 1.5.0

CHARX SEC-3050: 1.5.0

CHARX SEC-3100: 1.5.0

CHARX SEC-3150: 1.5.0

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External links
https://cert.vde.com/en/advisories/VDE-2024-011
https://www.zerodayinitiative.com/advisories/ZDI-24-862/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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