{"id":"ALPINE-CVE-2019-18222","details":"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.","modified":"2026-09-10T06:17:54.512382596Z","published":"2020-01-23T17:15:11.893Z","upstream":["CVE-2019-18222"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2019-18222"}],"affected":[{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}},{"package":{"name":"mbedtls","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/mbedtls?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-18222.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}