Security Advisory

CVE-2019-18222

4.7
MEDIUM

Vulnerability Description

The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recover the private key via side-channel attacks.
Published Date January 23, 2020
Official Source NIST NVD Advisory