CVE-2023-34399

Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB

Critical Β· published February 13, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
57.2
In the wild
Unconfirmed
What it is

πŸ”₯ An integer overflow in the Mercedes-Benz NTG6 head-unit could potentially allow attackers to mess with profile settings, like a mechanic getting access to your car’s secret settings without permission! πŸš—πŸ’₯ Think of it like a restaurant kitchen where a chef can tweak the recipe for every dish, but if the recipe book is damaged, they might accidentally add way too much salt β€” ruining the entire meal. In this case, the integer overflow lets attackers potentially manipulate crucial profile settings just like an untrained chef ruining a banquet! An attacker exploiting this vulnerability could inject malicious data, compromising user profile settings and even taking control of the head-unit. This could lead to unauthorized access to sensitive features, making it a critical threat to vehicle safety and security. Imagine being locked out of your own car or having your driving preferences altered without consent β€” absolutely devastating!

Put simply

Think of it like a restaurant kitchen where a chef can tweak the recipe for every dish, but if the recipe book is damaged, they might accidentally add way too much salt β€” ruining the entire meal. In this case, the integer overflow lets attackers potentially manipulate crucial profile settings just like an untrained chef ruining a banquet! This vulnerability stems from an integer overflow in the Boost library used by the NTG6 head-unit, allowing attackers to manipulate serialized data during profile imports and exports via USB. It effectively opens a door for unauthorized access to the head-unit's features and settings.

What to do

An attacker exploiting this vulnerability could inject malicious data, compromising user profile settings and even taking control of the head-unit. This could lead to unauthorized access to sensitive features, making it a critical threat to vehicle safety and security. Imagine being locked out of your own car or having your driving preferences altered without consent β€” absolutely devastating! To protect against this vulnerability, Mercedes-Benz owners should ensure their vehicles are updated to the latest firmware that patches this integer overflow issue. Reach out to your dealership or check your vehicle settings to confirm you're on the latest version! You've got this! By staying vigilant and applying the latest updates, you can keep your ride secure and enjoy the open road worry-free! πŸ›‘οΈ

The record
Technical detail
CVSS v3.1
9.8 Β· CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00834 Β· 57.2th percentile
Published
2025-02-13T00:00Z
EPSS history
Timeline
  • 13 FEB 00:00Z
    Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB
    cvelistv5