CVE-2023-29389 Missing authorization in n/a
Physically proximate attackers can drive Toyota RAV4 vehicles by injecting forged CAN bus messages, bypassing key validation mechanisms.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-29389?
CVE-2023-29389 is a medium-severity missing authorization vulnerability in n/a, published on 5 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Toyota RAV4 2021 vehicles automatically trust messages from other ECUs on a CAN bus, which allows physically proximate attackers to drive a vehicle by accessing the control CAN bus after pulling the bumper away and reaching the headlight connector, and then sending forged "Key is validated" messages via CAN Injection, as exploited in the wild in (for example) July 2022.
Weakness: CWE-74
Which versions are affected by CVE-2023-29389?
It affects 1 product.
Products include Toyota Rav4 Firmware.
How do I fix CVE-2023-29389?
No fix has been published for CVE-2023-29389 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-29389 being exploited?
There is no known exploitation of CVE-2023-29389 in the wild and no public exploit code.
Sources
Also known as GHSA-3gqh-xgpm-cfvx.