PT-2023-5184 · Unknown · Qms Automotive

Published 2023-09-12 · Updated 2023-09-14 · CVE-2023-40727

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions QMS Automotive versions prior to V12.39

Description A vulnerability has been identified in the QMS.Mobile module of QMS Automotive, which uses a weak and outdated application signing mechanism. This could allow an attacker to tamper with the application code. The issue is related to incorrect cryptographic signature verification, which may enable an attacker to forge the application code.

Recommendations For versions prior to V12.39, update to version V12.39 or later to resolve the issue. As a temporary workaround, consider restricting access to the QMS.Mobile module to minimize the risk of exploitation.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

BDU:2023-05777

CVE-2023-40727

Affected Products

Qms Automotive

References · 7

• https://cert-portal.siemens.com/productcert/pdf/ssa-147266.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-40727 · Security Note
• https://osv.dev/vulnerability/CVE-2023-40727 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05777 · Security Note
• https://twitter.com/VulmonFeeds/status/1701611697314922673 · Twitter Post
• https://twitter.com/CVEnew/status/1701534362175442960 · Twitter Post
• https://t.me/cibsecurity/70272 · Telegram Post