This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2019-18222 →

DEBIAN-CVE-2019-18222

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 t...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 mbedtls

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-1"}]}]

Debian:13 mbedtls

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-1"}]}]

Debian:14 mbedtls

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-1"}]}]

References

advisory security-tracker.debian.org