CVE-2020-36424

MEDIUM

Arm Mbed TLS < 2.24.0 - Private Key Recovery via Side-Channel Attack

Title source: llm

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 (6)

Core 6

Core References

Mailing List, Third Party Advisory mailing-list

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

Issue Tracking, Patch, Third Party Advisory

https://bugs.gentoo.org/740108

Release Notes, Third Party Advisory

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

Release Notes, Third Party Advisory

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

Release Notes, Third Party Advisory

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

Vendor Advisory

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

Scores

CVSS v3 4.7

EPSS 0.0013

EPSS Percentile 32.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-203

Status published

Products (2)

arm/mbed_tls < 2.7.17

debian/debian_linux 10.0

Published Jul 19, 2021

Tracked Since Feb 18, 2026