Buffer overflow in CODESYS products - CVE-2022-4046

Vulnerability identifier: #VU107056

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2022-4046

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: CODESYS

Affected software:
CODESYS Control for BeagleBone SL
CODESYS Control for emPC-A/iMX6 SL
CODESYS Control for IOT2000 SL
CODESYS Control for Linux SL
CODESYS Control for PFC100 SL
CODESYS Control for PFC200 SL
CODESYS Control for PLCnext SL
CODESYS Control for Raspberry Pi SL
CODESYS Control for WAGO Touch Panels 600 SL
CODESYS Control Runtime System Toolkit
CODESYS Control RTE (for Beckhoff CX) SL
CODESYS Control RTE (SL)
CODESYS Control Win (SL)
CODESYS HMI (SL)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote user 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.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

• https://cert.vde.com/en/advisories/VDE-2023-025/