Incorrect permission assignment for critical resource in OPC Foundation UA-LDS

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU75039

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-44725

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

UA-LDS: 1.04.403.478

External links

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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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