VDB
CVE-2019-18222
CVE-2019-18222
PUBLISHED
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.
EPSS 0.11% · 28.9th percentile
Risk Scores
EPSS Score
0.11%
28.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mbedtls | 0, 2.6.0-1, 2.7.0-2 |
| Ubuntu:16.04:LTS | mbedtls | 2.2.1-1, 0, 2.2.1-2ubuntu0.2 |
Timeline
- Jan 23, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-18222 third-party-advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12 third-party-advisory
- https://tls.mbed.org/tech-updates/security-advisories third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-18222 third-party-advisory