CVE-2019-18222

Priority
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.
Notes
Package
Upstream:released (2.16.4-1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):needs-triage
Ubuntu 18.04 LTS (Bionic Beaver):needs-triage
Ubuntu 19.10 (Eoan Ermine):needs-triage
Ubuntu 20.04 (Focal Fossa):not-affected (2.16.4-1ubuntu2)
More Information

Updated: 2020-04-24 03:54:54 UTC (commit d3f8a6ed481830fb100109a132bef581fc4176fe)