Improper access control in Siemens CoreShield OWG Software

1) Improper access control

EUVDB-ID: #VU67308

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-2022-38466

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the default installation sets insecure file permissions. A local user can bypass implemented security restrictions and gain elevated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CoreShield One-Way Gateway: before 2.2

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-589975.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.