Buffer overflow in Tesla Model 3
CVE-2022-42431
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. Was ZDI-CAN-17544.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Tesla Model 3 — versions Model 3 Infotainment 2022.12.22
- Tesla Model 3
- Tesla Model 3 Firmware
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-22-1407/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-42431?
- CVE-2022-42431 is a high-severity vulnerability in Tesla Model 3, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-03-29.
- How severe is CVE-2022-42431?
- High severity. CVSS v3 base score is 7.8 out of 10.