Advisory Details

September 8th, 2022

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

ZDI-22-1188
ZDI-CAN-17463

CVE ID CVE-2022-3093
CVSS SCORE 7.6, AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AFFECTED VENDORS Tesla
AFFECTED PRODUCTS Model 3
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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