CVE-2019-18222

Source
https://cve.org/CVERecord?id=CVE-2019-18222
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-18222.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-18222
Downstream
Published
2020-01-23T17:15:11.893Z
Modified
2026-05-15T12:03:13.774116938Z
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.

Database specific
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ]
        },
        {
            "source": "CPE_FIELD",
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "last_affected": "30"
                },
                {
                    "last_affected": "31"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages