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.
References
Link | Resource |
---|---|
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/ | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/ | Mailing List Third Party Advisory |
https://tls.mbed.org/tech-updates/security-advisories | Vendor Advisory |
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12 | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2020-01-23T00:00:00
Updated: 2022-12-26T00:00:00
Reserved: 2019-10-21T00:00:00
Link: CVE-2019-18222
JSON object: View
NVD Information
Status : Analyzed
Published: 2020-01-23T17:15:11.893
Modified: 2023-03-03T15:25:36.453
Link: CVE-2019-18222
JSON object: View
Redhat Information
No data.
CWE