(Pwn2Own) Tesla ice_updater Time-Of-Check Time-Of-Use Code Execution Vulnerability

Vulnerability Details

This vulnerability allows physical attackers to execute arbitrary code on affected Tesla vehicles. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the ice_updater update mechanism. The issue results from the lack of proper validation of user-supplied firmware. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

Issue was fixed starting in Tesla’s 2022.16.0.3 release.

Disclosure Timeline

• 2022-06-22 - Vulnerability reported to vendor
• 2022-09-08 - Coordinated public release of advisory

Credit

@Jedar_LZ

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