Denial of service in Siemens Nucleus RTOS



Published: 2022-10-13
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-38371
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Nucleus NET
Server applications / Other server solutions

Nucleus Source Code
Server applications / Other server solutions

Nucleus ReadyStart
Server applications / Other server solutions

Vendor Siemens

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU68283

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-2022-38371

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 application does not properly control consumption of internal resources in the FTP server. 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

Nucleus NET: All versions

Nucleus Source Code: All versions

Nucleus ReadyStart: before 2017.02.4_patch_CVE-2022-38371

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-313313.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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