Multiple vulnerabilities in Siemens Industrial Products

Published: 2023-12-13

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-47374 CVE-2022-47375
CWE-ID	CWE-674 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SIMATIC S7-400 CPU 412-2 PN V7 Server applications / SCADA systems SIMATIC S7-400 CPU 414-3 PN/DP V7 Server applications / SCADA systems SIMATIC S7-400 CPU 414F-3 PN/DP V7 Server applications / SCADA systems SIMATIC S7-400 CPU 416-3 PN/DP V7 Server applications / SCADA systems SIMATIC S7-400 CPU 416F-3 PN/DP V7 Server applications / SCADA systems SIMATIC PC-Station Plus Server applications / SCADA systems SIPLUS S7-400 CPU 414-3 PN/DP V7 Server applications / SCADA systems SIPLUS S7-400 CPU 416-3 PN/DP V7 Server applications / SCADA systems SINAMICS S120 Hardware solutions / Firmware
Vendor	Siemens

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Uncontrolled Recursion

EUVDB-ID: #VU84387

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-47374

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uncontrolled recursion. A remote attacker can pass specially crafted input to the application and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC S7-400 CPU 412-2 PN V7: All versions

SIMATIC S7-400 CPU 414-3 PN/DP V7: All versions

SIMATIC S7-400 CPU 414F-3 PN/DP V7: All versions

SIMATIC S7-400 CPU 416-3 PN/DP V7: All versions

SIMATIC S7-400 CPU 416F-3 PN/DP V7: All versions

SIMATIC PC-Station Plus: All versions

SIPLUS S7-400 CPU 414-3 PN/DP V7: All versions

SIPLUS S7-400 CPU 416-3 PN/DP V7: All versions

SINAMICS S120: before 5.2 SP3 HF15

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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

2) Buffer overflow

EUVDB-ID: #VU84390