Incorrect permission assignment for critical resource in UA-LDS - CVE-2022-44725

Vulnerability identifier: #VU75039

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-44725

CWE-ID: CWE-732

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to a hard-coded file path to a configuration file. A local user can create a malicious file that is loaded by LDS.

UA-LDS
SIMATIC Process Historian OPC UA Server
SIMATIC WinCC Runtime Professional
OpenPCS 7
SIMATIC NET PC Software
Siemens SIMATIC WinCC
SIMATIC WinCC Unified PC Runtime
TeleControl Server Basic

Install updates from vendor's website.

UA-LDS - update to 1.04.405.482
TeleControl Server Basic - update to 3.1.2
Siemens SIMATIC WinCC - update to 8.0
SIMATIC WinCC Unified PC Runtime - update to 18.0 UPD 1 SR 1

• https://opcfoundation.org/developer-tools/samples-and-tools-unified-architecture/local-discovery-server-lds/
• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-44725.pdf

• Incorrect permission assignment for critical resource in OPC Foundation UA-LDS
• Incorrect permission assignment for critical resource in Siemens Products
• Multiple vulnerabilities in Siemens Telecontrol Server Basic