Medium severity4.7NVD Advisory· Published Jan 23, 2020· Updated Jun 17, 2026
CVE-2019-18222
CVE-2019-18222
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- Arm/Mbed Cryptodescription
<=2.1+ 1 more
- (no CPE)range: <=2.1
- cpe:2.3:a:arm:mbed_crypto:*:*:*:*:*:*:*:*range: <3.0.0
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlnvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/nvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/nvdMailing ListThird Party Advisory
- tls.mbed.org/tech-updates/security-advisoriesnvdVendor Advisory
- tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12nvdVendor Advisory
News mentions
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