ZDI-22-1407: Tesla bcmdhd Buffer Overflow Privilege Escalation Vulnerability
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tesla Model 3 Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-22-1407?
The vulnerability ZDI-22-1407 is classified as a high-severity issue due to its potential for privilege escalation.
How do I fix ZDI-22-1407?
To mitigate ZDI-22-1407, Tesla recommends applying the latest software updates that address the vulnerability.
Who is affected by ZDI-22-1407?
ZDI-22-1407 specifically affects Tesla Model 3 vehicles that contain the vulnerable bcmdhd driver.
What type of attackers can exploit ZDI-22-1407?
Local attackers with the ability to execute privileged code on the target Tesla vehicle can exploit the ZDI-22-1407 vulnerability.
What component is responsible for ZDI-22-1407?
The specific flaw in ZDI-22-1407 exists within the bcmdhd driver of affected Tesla vehicles.
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- alias/ZDI-22-1407
- alias/ZDI-CAN-17544
- alias/CVE-2022-42431
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- canonical/tesla model 3 firmware