An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtlsecpcheckpubpriv, mbedtlspkparsekey, mbedtlspkparsekeyfile, mbedtlsecpmul, and mbedtlsecpmul_restartable.
References
- https://bugs.gentoo.org/730752
- 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/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