#VU107053 Input validation error in CODESYS products - CVE-2023-37547

Vulnerability identifier: #VU107053

Vulnerability risk: Medium

CVSSv4.0: 4.9 [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-2023-37547

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable 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
CODESYS Control Runtime System Toolkit
Client/Desktop applications / Other client software
CODESYS Development System V3
Client/Desktop applications / Other client software
CODESYS Safety SIL2 Runtime Toolkit
Client/Desktop applications / Other client software
CODESYS Control RTE (for Beckhoff CX) SL
Other software / Other software solutions
CODESYS Control RTE (SL)
Other software / Other software solutions
CODESYS Control Win (SL)
Other software / Other software solutions
CODESYS HMI (SL)
Other software / Other software solutions

Vendor: CODESYS

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the CmpApp component. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CODESYS Control for BeagleBone SL: before 4.10.0.0

CODESYS Control for emPC-A/iMX6 SL: before 4.10.0.0

CODESYS Control for IOT2000 SL: before 4.10.0.0

CODESYS Control for Linux SL: before 4.10.0.0

CODESYS Control for PFC100 SL: before 4.10.0.0

CODESYS Control for PFC200 SL: before 4.10.0.0

CODESYS Control for PLCnext SL: before 4.10.0.0

CODESYS Control for Raspberry Pi SL: before 4.10.0.0

CODESYS Control for WAGO Touch Panels 600 SL: before 4.10.0.0

CODESYS Control RTE (for Beckhoff CX) SL: before 3.5.19.20

CODESYS Control RTE (SL): before 3.5.19.20

CODESYS Control Runtime System Toolkit: before 3.5.19.20

CODESYS Control Win (SL): before 3.5.19.20

CODESYS Development System V3: before 3.5.19.20

CODESYS HMI (SL): before 3.5.19.20

CODESYS Safety SIL2 Runtime Toolkit: before 3.5.19.20

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

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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.