An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed.
References
- https://bugs.gentoo.org/730752
- https://github.com/ARMmbed/mbedtls/issues/3394
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
- https://bugs.gentoo.org/730752
- https://github.com/ARMmbed/mbedtls/issues/3394
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html