CVE-2019-18222
MEDIUM4.7EPSS 0.11%Published: 1/23/2020Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/mbedtlsfrom 0, < 2.16.4-r0
- Debian/mbedtlsfrom 0, < 2.16.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |