(0Day) Visteon Infotainment VIP MCU Code Insufficient Validation of Data Authenticity Local Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of Visteon Infotainment systems. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the firmware update process of the VIP microcontroller. The process does not properly verify authenticity of the supplied firmware image before programming it into internal memory. An attacker can leverage this vulnerability to escalate privileges execute arbitrary code in the context of the VIP MCU.
Additional Details
04/24/24 – ZDI reported the vulnerabilities to the vendor
04/30/24 – ZDI asked for updates
07/29/24 – ZDI asked for updates
08/16/24 – ZDI notified the vendor of the intention to publish the cases as 0-day advisories on 08/30/24
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application
Disclosure Timeline
- 2024-04-24 - Vulnerability reported to vendor
- 2024-08-30 - Coordinated public release of advisory
- 2024-08-30 - Advisory Updated
Credit
Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative
