CVE-2023-34403: headunit ntg6 Access Control Flaw

Description

Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB. Attacker can connect to this pins and get access to internal network. A race condition can be acquired and attacker can spoof “UserData” with desirable file path and access it though backup on USB.

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CVSS v3.1 Score

4.9

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
mercedes-benz	headunit_ntg6_mercedes-benz_user_experience	< 2021

References

Other References

https://securelist.com/mercedes-benz-head-unit-security-research/115218/

Frequently Asked Questions

What is CVE-2023-34403? +

Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB. Attacker can connect to this pins and get access to internal network. A race condition can be acquired and attacker can spoof “UserData” with desirable file path and access it though backup on USB. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2023-34403? +

CVE-2023-34403 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-34403? +

CVE-2023-34403 affects products from mercedes-benz, specifically: headunit_ntg6_mercedes-benz_user_experience. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-34403? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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