CVE-2019-18222

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Summary

CVECVE-2019-18222
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-01-23 17:15:00 UTC
Updated2023-03-03 15:25:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-203

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Arm Mbed Crypto All All All All
Application Arm Mbed Crypto All All All All
Application Arm Mbed Tls All All All All
Application Arm Mbed Tls All All All All
Operating System Debian Debian Linux 10.0 All All All
Operating System Fedoraproject Fedora 30 All All All
Operating System Fedoraproject Fedora 31 All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 31 Update: mbedtls-2.16.4-1.fc31 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 31 Update: mbedtls-2.16.4-1.fc31 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
Security Advisories - Tech Updates - mbed TLS (Previously PolarSSL) MISC tls.mbed.org Vendor Advisory
[SECURITY] [DLA 3249-1] mbedtls security update MLIST lists.debian.org
Side channel attack on ECDSA - Tech Updates - Mbed TLS (Previously PolarSSL) CONFIRM tls.mbed.org Vendor Advisory
[SECURITY] Fedora 30 Update: mbedtls-2.16.4-1.fc30 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 30 Update: mbedtls-2.16.4-1.fc30 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181446 Debian Security Update for mbedtls (DLA 3249-1)
  • 500396 Alpine Linux Security Update for mbedtls
  • 504154 Alpine Linux Security Update for mbedtls
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