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.
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7
https://bugs.gentoo.org/730752
https://github.com/ARMmbed/mbedtls/issues/3394
Source: Mitre, NVD
Published: 2021-07-19
Updated: 2023-01-11
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.0019