ZDI-CAN-17544: 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 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-17544?
The severity of ZDI-CAN-17544 is critical due to its potential for privilege escalation on affected Tesla vehicles.
How do I fix ZDI-CAN-17544?
To fix ZDI-CAN-17544, Tesla vehicles should be updated with the latest firmware that addresses this vulnerability.
Which Tesla models are affected by ZDI-CAN-17544?
ZDI-CAN-17544 specifically affects the Tesla Model 3.
Who can exploit ZDI-CAN-17544?
ZDI-CAN-17544 can be exploited by local attackers who have access to execute privileged code on the affected system.
What is the root cause of ZDI-CAN-17544?
The root cause of ZDI-CAN-17544 is a flaw within the bcmdhd driver that allows for privilege escalation.
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-1407
- alias/ZDI-CAN-17544
- alias/CVE-2022-42431
- agent/software-canonical-lookup
- agent/references
- agent/severity
- agent/title
- agent/type
- agent/event
- agent/description
- agent/tags
- agent/source
- vendor/tesla
- canonical/tesla model 3