Missing initialization of resource in Siemens SIMATIC WinCC

1) Missing initialization of resource

EUVDB-ID: #VU63303

Risk: Low

CVSSv4.0: 5.9 [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/E:U/U:Clear]

CVE-ID: CVE-2022-24287

CWE-ID: CWE-909 - Missing initialization of resource

Exploit availability: No

Description

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

The vulnerability exists due to insecure default initialization of resource. A local user can escape the WinCC Kiosk Mode by opening the printer dialog in the affected application in case no printer is installed.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC PCS 7: 9.0 - 9.1

SIMATIC WinCC Runtime Professional: 16.0 - 17.0

Siemens SIMATIC WinCC: 7.4 - 7.5

CPE2.3

• cpe:2.3:a:siemens:simatic_pcs_7:9.0:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_pcs_7:9.1:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_wincc_runtime_professional:16.0:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_wincc_runtime_professional:17.0:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:siemens_simatic_wincc:7.4:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:siemens_simatic_wincc:7.5:*:*:*:*:*:*:*

External links

https://cert-portal.siemens.com/productcert/txt/ssa-363107.txt

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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