#VU107041 Out-of-bounds write in CODESYS products - CVE-2023-37557

Vulnerability identifier: #VU107041

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-37557

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable 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 Development System V3
CODESYS Safety SIL2 Runtime Toolkit
CODESYS Control RTE (for Beckhoff CX) SL
CODESYS Control RTE (SL)
CODESYS Control Win (SL)
CODESYS HMI (SL)

Software vendor:
CODESYS

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the CmpAppBP component. A remote user can trigger an out-of-bounds write and perform a denial of service (DoS) attack.

Install updates from vendor's website.

• https://certvde.com/en/advisories/VDE-2023-019/