#VU85954 Stack-based buffer overflow in CODESYS products - CVE-2022-47387

Vulnerability identifier: #VU85954

Vulnerability risk: Medium

CVSSv4.0: 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-2022-47387

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

Software vendor:
CODESYS

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

The vulnerability exists due to a boundary error in the CmpTraceMgr component. A remote user can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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

Install updates from vendor's website.

• https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17554&token=5444f53b4c90fe37043671a100dffa75305d1825&download=