Denial of service in Siemens TIA Administrator

1) Creation of temporary file in directory with insecure permissions

EUVDB-ID: #VU91990

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38533

CWE-ID: CWE-379 - Creation of Temporary File in Directory with Insecure Permissions

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected component creates temporary download files in a directory with insecure permissions. A local user can disrupt the update process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TIA Administrator (TIA Portal): before 3 SP2

CPE2.3

External links

http://cert-portal.siemens.com/productcert/html/ssa-319319.html

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.