SSA-064257

Siemens Security Advisory by Siemens ProductCERT

SSA-064257: Privilege Escalation Vulnerability in SIPORT Before V3.4.0

Publication Date:	2024-11-12
Last Update:	2024-11-12
Current Version:	V1.0
CVSS v3.1 Base Score:	7.8
CVSS v4.0 Base Score:	8.5

SUMMARY

SIPORT before V3.4.0 contains a privilege escalation vulnerability which could allow a local attacker with an unprivileged account to override or modify the service executable and subsequently gain elevated privileges.

Siemens has released a new version for SIPORT and recommends to update to the latest version.

AFFECTED PRODUCTS AND SOLUTION

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Affected Product and Versions	Remediation
SIPORT All versions < V3.4.0 affected by CVE-2024-47783	Update to V3.4.0 or later version https://support.industry.siemens.com/cs/ww/en/view/109826608/ 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-2024-47783: Remove write permissions for non-administrative users on files and folders located under the installation path

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 affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.

PRODUCT DESCRIPTION

SIPORT is a comprehensive, modular and reliable system for access control and time management within the Siveillance Access Suite.

VULNERABILITY DESCRIPTION

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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-2024-47783

The affected application improperly assigns file permissions to installation folders.

This could allow a local attacker with an unprivileged account to override or modify the service executables and subsequently gain elevated privileges.

CVSS v3.1 Base Score	7.8
CVSS v3.1 Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	8.5
CVSS v4.0 Vector	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
CWE	CWE-732: Incorrect Permission Assignment for Critical Resource

ADDITIONAL INFORMATION

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 (2024-11-12):

Publication Date

The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.