{"id":"CVE-2019-18222","state":"PUBLISHED","title":"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 loc","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.","publishedAt":"2020-01-23T00:00:00.000Z","updatedAt":"2024-08-05T01:47:14.077Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://tls.mbed.org/tech-updates/security-advisories","https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/","https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:41.458Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/18xxx/CVE-2019-18222.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-18222","state":"PUBLISHED","datePublished":"2020-01-23T00:00:00.000Z","dateUpdated":"2024-08-05T01:47:14.077Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-10-21T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://tls.mbed.org/tech-updates/security-advisories"},{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/","name":"FEDORA-2020-8d3ea0fe8d","tags":["vendor-advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/","name":"FEDORA-2020-5bcfae9f46","tags":["vendor-advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html","name":"[debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update","tags":["mailing-list"]}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2022-12-26T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://tls.mbed.org/tech-updates/security-advisories","tags":["x_transferred"]},{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/","name":"FEDORA-2020-8d3ea0fe8d","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/","name":"FEDORA-2020-5bcfae9f46","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html","name":"[debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update","tags":["mailing-list","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T01:47:14.077Z"}}]}}}