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zdi@Jedar_LZZDI-22-1188
HistorySep 08, 2022 - 12:00 a.m.

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

2022-09-0800:00:00
@Jedar_LZ
www.zerodayinitiative.com
20

7.6 High

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

22.0%

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.

7.6 High

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

22.0%

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