CVE-2019-18222

Vendordebian, fedoraproject, armProductdebian linux, fedora, mbed tls, mbed cryptoDiscoveredJan 23, 2020UpdatedNov 21, 2024

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.

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CVSS v3.1

4.7 MEDIUM

EPSS

0.34%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityNONE

AvailabilityNONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Connections

5 relationships

Timeline

disclosure → media coverage

Jan 23, 2020

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024