What is CVE-2022-42431?

CVE-2022-42431 is a vulnerability that allows local attackers to escalate privileges on affected Tesla vehicles.

What is the severity of CVE-2022-42431?

CVE-2022-42431 has a severity rating of 8.8 (high).

How can I fix CVE-2022-42431?

It is recommended to apply the necessary security updates or patches provided by Tesla to address CVE-2022-42431.

Where can I find more information about CVE-2022-42431?

You can find more information about CVE-2022-42431 at the following reference link: [https://www.zerodayinitiative.com/advisories/ZDI-22-1407/](https://www.zerodayinitiative.com/advisories/ZDI-22-1407/)

Vulnerability/
CVE-2022-42431

high

8.8

CWE

120

29/3/2023

3/8/2024

CVE-2022-42431: Tesla bcmdhd Buffer Overflow Privilege Escalation Vulnerability

Q: How does CVE-2022-42431 work?

To exploit CVE-2022-42431, an attacker must first obtain the ability to execute privileged code on the target system. The vulnerability exists within the bcmdhd driver.

First published: Wed Mar 29 2023(Updated: )

This vulnerability allows local attackers to escalate privileges on affected Tesla vehicles. An attacker must first obtain the ability to execute privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the bcmdhd driver. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Tesla Model 3 Firmware	<2022.28
Tesla Model 3

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Reference Links

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

Frequently Asked Questions

What is CVE-2022-42431?
CVE-2022-42431 is a vulnerability that allows local attackers to escalate privileges on affected Tesla vehicles.
How does CVE-2022-42431 work?
To exploit CVE-2022-42431, an attacker must first obtain the ability to execute privileged code on the target system. The vulnerability exists within the bcmdhd driver.
What is the severity of CVE-2022-42431?
CVE-2022-42431 has a severity rating of 8.8 (high).
How can I fix CVE-2022-42431?
It is recommended to apply the necessary security updates or patches provided by Tesla to address CVE-2022-42431.
Where can I find more information about CVE-2022-42431?
You can find more information about CVE-2022-42431 at the following reference link: [https://www.zerodayinitiative.com/advisories/ZDI-22-1407/](https://www.zerodayinitiative.com/advisories/ZDI-22-1407/)

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