DEBIAN-CVE-2019-18222

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Source
https://security-tracker.debian.org/tracker/CVE-2019-18222
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18222.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2019-18222
Upstream
Published
2020-01-23T17:15:11.893Z
Modified
2025-11-14T04:01:26.337358Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
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.

References

Affected packages

Debian:11 / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/debian/mbedtls?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18222.json"

Debian:12 / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/debian/mbedtls?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18222.json"

Debian:13 / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/debian/mbedtls?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18222.json"

Debian:14 / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/debian/mbedtls?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18222.json"