#VU93227 Use-after-free in Phoenix Contact GmbH products - CVE-2024-26005

Vulnerability identifier: #VU93227

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-26005

CWE-ID: CWE-416

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the handling of ClientSession objects in the CharxControllerAgent service. A remote attacker on the local network can execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise 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-24-861/

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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.