CVE-2020-36422

medium

Description

An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtls_ecp_check_pub_priv, mbedtls_pk_parse_key, mbedtls_pk_parse_keyfile, mbedtls_ecp_mul, and mbedtls_ecp_mul_restartable.

References

Advisories

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

Details

Source: Mitre, NVD

Published: 2021-07-19

Updated: 2023-01-11

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N