Published: 23/01/2020 Updated: 03/03/2023

CVSS v2 Base Score: 1.9 | Impact Score: 2.9 | Exploitability Score: 3.4

CVSS v3 Base Score: 4.7 | Impact Score: 3.6 | Exploitability Score: 1

VMScore: 169

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

The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS up to and including 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local malicious user to recover the private key via side-channel attacks.

Vulnerable Product	Search on Vulmon	Subscribe to Product
arm mbed tls
arm mbed crypto
fedoraproject fedora 30
fedoraproject fedora 31
debian debian linux 10.0

Severity Unknown Remote Unknown Type Unknown Description AVG-1104 mbedtls 2163-1 Unknown Vulnerable ...

CWE-203 https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12 https://tls.mbed.org/tech-updates/security-advisories https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/https://nvd.nist.gov https://security.archlinux.org/CVE-2019-18222

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CVE-2019-18222

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