(0Day) CarlinKit CPC200-CCPA Missing Root of Trust Local Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of CarlinKit CPC200-CCPA devices. 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 configuration of the application system-on-chip (SoC). The issue results from the lack of a properly configured hardware root of trust. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the boot process.
Additional Details
06/05/24 – ZDI contacted the vendor’s support team via email
07/12/24 – ZDI sent a second PSIRT contact request to CarlinKit support team
11/13/24 – ZDI asked for updates
02/18/25 – ZDI informed the vendor that since we have not received a response, we will publish the report as a 0-day advisory
Disclosure Timeline
- 2025-03-11 - Vulnerability reported to vendor
- 2025-03-25 - Coordinated public release of advisory
- 2025-03-25 - Advisory Updated
Credit
Aaron Luo and Spencer Hsieh of VicOne
