Denial of service in SIemens PROFINET Stack Integrated on Interniche Stack



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-25622
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
SIMATIC CFU DIQ
Hardware solutions / Firmware

SIMATIC CFU PA
Hardware solutions / Firmware

SIMATIC S7-300
Hardware solutions / Firmware

SIMATIC S7-400 H V6
Hardware solutions / Firmware

SIMATIC S7-410 V8
Hardware solutions / Firmware

SIMATIC S7-410 V10
Hardware solutions / Firmware

SIMATIC WinAC RTX
Hardware solutions / Firmware

SIMIT Simulation Platform
Hardware solutions / Firmware

SIMATIC S7-1500
Hardware solutions / Firmware

SIMATIC S7-400 PN/DP V7
Server applications / SCADA systems

SIMATIC TDC CP51M1
Server applications / SCADA systems

SIMATIC TDC CPU555
Hardware solutions / Other hardware appliances

Vendor Siemens

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU62458

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-25622

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to the PROFINET (PNIO) stack, when integrated with the Interniche IP stack does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC CFU DIQ: All versions

SIMATIC CFU PA: All versions

SIMATIC S7-300: All versions

SIMATIC S7-400 H V6: All versions

SIMATIC S7-400 PN/DP V7: All versions

SIMATIC S7-410 V8: All versions

SIMATIC S7-410 V10: All versions

SIMATIC TDC CP51M1: All versions

SIMATIC TDC CPU555: All versions

SIMATIC WinAC RTX: All versions

SIMIT Simulation Platform: All versions

SIMATIC S7-1500: before 2.0.0

CPE2.3 External links

http://cert-portal.siemens.com/productcert/pdf/ssa-446448.pdf


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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



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