CVE-2022-25836 Auth bypass in n/a
An unauthenticated attacker can bypass Bluetooth pairing authentication via a man-in-the-middle attack to acquire credentials and impersonate devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-25836?
CVE-2022-25836 is a high-severity authentication bypass vulnerability in n/a, published on 12 Dec 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Bluetooth® Low Energy Pairing in Bluetooth Core Specification v4.0 through v5.3 may permit an unauthenticated MITM to acquire credentials with two pairing devices via adjacent access when the MITM negotiates Legacy Passkey Pairing with the pairing Initiator and Secure Connections Passkey Pairing with the pairing Responder and brute forces the Passkey entered by the user into the Initiator. The MITM attacker can use the identified Passkey value to complete authentication with the Responder via Bluetooth pairing method confusion.
Weakness: CWE-294
Which versions are affected by CVE-2022-25836?
It affects 1 product.
Products include Bluetooth Bluetooth Core Specification.
How do I fix CVE-2022-25836?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-25836 being exploited?
There is no known exploitation of CVE-2022-25836 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-399c-6449-xhh6, ROOT-OS-UBUNTU-2204-CVE-2022-25836, ROOT-OS-UBUNTU-2404-CVE-2022-25836, UBUNTU-CVE-2022-25836.