#VU85953 Stack-based buffer overflow in CODESYS products - CVE-2022-47386

Vulnerability identifier: #VU85953

Vulnerability risk: Medium

CVSSv4.0: 6.3 [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-2022-47386

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CODESYS Control RTE
Client/Desktop applications / Other client software
CODESYS Control RTE (for Beckhoff CX)
Client/Desktop applications / Other client software
CODESYS Control Win
Client/Desktop applications / Other client software
CODESYS Control Runtime System Toolkit
Client/Desktop applications / Other client software
CODESYS Safety SIL2 Runtime Toolkit
Client/Desktop applications / Other client software
CODESYS Safety SIL2 PSP
Client/Desktop applications / Other client software
CODESYS HMI
Client/Desktop applications / Other client software
CODESYS Development System V3
Client/Desktop applications / Other client software
CODESYS Control for BeagleBone SL
Client/Desktop applications / Other client software
CODESYS Control for emPC-A/iMX6 SL
Client/Desktop applications / Other client software
CODESYS Control for IOT2000 SL
Client/Desktop applications / Other client software
CODESYS Control for Linux SL
Client/Desktop applications / Other client software
CODESYS Control for PFC100 SL
Client/Desktop applications / Other client software
CODESYS Control for PFC200 SL
Client/Desktop applications / Other client software
CODESYS Control for PLCnext SL
Client/Desktop applications / Other client software
CODESYS Control for Raspberry Pi SL
Client/Desktop applications / Other client software
CODESYS Control for WAGO Touch Panels 600 SL
Client/Desktop applications / Other client software

Vendor: CODESYS

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CODESYS Control RTE: before 3.5.19.0

CODESYS Control RTE (for Beckhoff CX): before 3.5.19.0

CODESYS Control Win: before 3.5.19.0

CODESYS Control Runtime System Toolkit: before 3.5.19.0

CODESYS Safety SIL2 Runtime Toolkit: before 3.5.19.0

CODESYS Safety SIL2 PSP: before 3.5.19.0

CODESYS HMI: before 3.5.19.0

CODESYS Development System V3: before 3.5.19.0

CODESYS Control for BeagleBone SL: before 4.8.0.0

CODESYS Control for emPC-A/iMX6 SL: before 4.8.0.0

CODESYS Control for IOT2000 SL: before 4.8.0.0

CODESYS Control for Linux SL: before 4.8.0.0

CODESYS Control for PFC100 SL: before 4.8.0.0

CODESYS Control for PFC200 SL: before 4.8.0.0

CODESYS Control for PLCnext SL: before 4.8.0.0

CODESYS Control for Raspberry Pi SL: before 4.8.0.0

CODESYS Control for WAGO Touch Panels 600 SL: before 4.8.0.0

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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