Detections
Analytics

CVE-2020-36424

medium

Description

An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.

References

https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html

https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17

https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0

https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8

https://bugs.gentoo.org/740108

https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2

Details

Source: Mitre, NVD

Published: 2021-07-19

Updated: 2023-01-11

Risk Information

CVSS v2

Base Score: 1.9

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

Severity: Low

CVSS v3

Base Score: 4.7

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

Severity: Medium

EPSS

EPSS: 0.00066