Vulnerability identifier: #VU85946

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-47379

CWE-ID: CWE-787

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:

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the CmpApp component. A remote user can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://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.