CVE-2021-29415 Information disclosure in n/a
An adversary can recover private ECC keys from the Nordic nRF52840 hardware accelerator due to a non-constant time ECDSA implementation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-29415?
CVE-2021-29415 is a medium-severity vulnerability in n/a, published on 21 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The elliptic curve cryptography (ECC) hardware accelerator, part of the ARM® TrustZone® CryptoCell 310, contained in the NordicSemiconductor nRF52840 through 2021-03-29 has a non-constant time ECDSA implemenation. This allows an adversary to recover the private ECC key used during an ECDSA operation.
Weakness: CWE-203
Which versions are affected by CVE-2021-29415?
It affects 1 product.
Products include Nordicsemi Nrf52840 Firmware.
How do I fix CVE-2021-29415?
No fix has been published for CVE-2021-29415 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-29415 being exploited?
There is no known exploitation of CVE-2021-29415 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-738r-q8gh-xrrc.