Privilege Escalation Flaw in Tesla Vehicles Due to Driver Validation Issue
CVE-2022-42431

8.8HIGH

Key Information:

Vendor

Tesla

Status
Model 3
Vendor
CVE Published:
29 March 2023

What is CVE-2022-42431?

This vulnerability allows local attackers to escalate privileges on Tesla vehicles by exploiting a flaw in the bcmdhd driver. The issue arises from inadequate validation of user-supplied data length, allowing an attacker to execute arbitrary code with root privileges after obtaining the ability to execute privileged code on the system. Proper precautions and security measures are essential to mitigate the risks associated with this vulnerability.

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Affected Version(s)

Model 3 Model 3 Infotainment 2022.12.22

References

https://www.zerodayinitiative.com/advisories/ZDI-22-1407/

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Vincent DEHORS of @Synacktiv
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