SSA-292022

Siemens Security Advisory by Siemens ProductCERT

SSA-292022: Vulnerability in Nozomi Guardian/CMC before 23.4.1 on RUGGEDCOM APE1808 devices

Publication Date:	2024-05-14
Last Update:	2024-05-14
Current Version:	V1.0
CVSS v3.1 Base Score:	7.5

SUMMARY

Nozomi Networks has published information on vulnerabilities in Nozomi Guardian/CMC before 23.4.1. This advisory lists the related Siemens Industrial products affected by these vulnerabilities.

Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version. Customers are advised to consult and implement the workarounds provided in Nozomi Network's upstream security notifications.

AFFECTED PRODUCTS AND SOLUTION

Affected Product and Versions	Remediation
RUGGEDCOM APE1808LNX (6GK6015-0AL20-0GH0) All versions with Nozomi Guardian / CMC before 23.4.1 affected by all CVEs CVE-2023-6916 CVE-2024-0218	Upgrade Nozomi Guardian / CMC to V23.4.1. Contact customer support to receive patch and update information. See further recommendations from section Workarounds and Mitigations
RUGGEDCOM APE1808LNX CC (6GK6015-0AL20-0GH1) All versions with Nozomi Guardian / CMC before 23.4.1 affected by all CVEs CVE-2023-6916 CVE-2024-0218	Upgrade Nozomi Guardian / CMC to V23.4.1. Contact customer support to receive patch and update information. See further recommendations from section Workarounds and Mitigations

WORKAROUNDS AND MITIGATIONS

Siemens has identified the following specific workarounds and mitigations that customers can apply to reduce the risk:

CVE-2023-6916: Create specific users for OpenAPI usage, with minimal permissions. Limit API keys to allowed IP addresses. Regenerate existing API keys periodically and to review sign-ins via API keys in the audit records

Product-specific remediations or mitigations can be found in the section Affected Products and Solution.
Please follow the General Security Recommendations.

GENERAL SECURITY RECOMMENDATIONS

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

PRODUCT DESCRIPTION

The RUGGEDCOM APE1808 is a powerful utility-grade application hosting platform that lets you deploy a range of commercially available applications for edge computing and cybersecurity in harsh, industrial environments.

VULNERABILITY DESCRIPTION

Un-/Collapse All

This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

Vulnerability CVE-2023-6916

Audit records for OpenAPI requests may include sensitive information. This could lead to unauthorized accesses and privilege escalation.

CVSS v3.1 Base Score	7.2
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE	CWE-522: Insufficiently Protected Credentials

Vulnerability CVE-2024-0218

A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian, caused by improper input validation in certain fields used in the Radius parsing functionality of our IDS, allows an unauthenticated attacker sending specially crafted malformed network packets to cause the IDS module to stop updating nodes, links, and assets. Network traffic may not be analyzed until the IDS module is restarted.

CVSS v3.1 Base Score	7.5
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
CWE	CWE-20: Improper Input Validation

ADDITIONAL INFORMATION

Nozomi provides a public RSS feed for their security alerts to which customers can also subscribe [1].

[1] https://security.nozominetworks.com/alerts/

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

HISTORY DATA

V1.0 (2024-05-14):

Publication Date

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