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CVE-2019-18222

Published: 23 January 2020

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.

Priority

Medium

CVSS 3 base score: 4.7

Status

Package Release Status
mbedtls
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Ignored
(reached end-of-life)
focal Not vulnerable
(2.16.4-1ubuntu2)
groovy Not vulnerable
(2.16.4-1ubuntu2)
hirsute Not vulnerable
(2.16.4-1ubuntu2)
impish Not vulnerable
(2.16.4-1ubuntu2)
jammy Not vulnerable
(2.16.4-1ubuntu2)
precise Does not exist

trusty Does not exist

upstream
Released (2.16.4-1)
xenial Ignored
(end of standard support, was needs-triage)