CVE-2019-18222

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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
2026-06-07T04:00:08.841480444Z
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": [
        {
            "extracted_events": [
                {
                    "fixed": "2.7.13"
                },
                {
                    "introduced": "2.8.0"
                },
                {
                    "fixed": "2.16.4"
                },
                {
                    "introduced": "2.17.0"
                },
                {
                    "fixed": "2.20.0"
                }
            ],
            "cpes": [
                "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "arm:mbed_tls",
            "source": "CPE_RANGE"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "source": "CPE_STRING"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "30"
                },
                {
                    "last_affected": "31"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/armmbed/mbed-crypto

Affected ranges

Type
GIT
Repo
https://github.com/armmbed/mbed-crypto
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a337167543d930f4ea2fa26778881fa3a6b47d74
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.0.0"
        }
    ],
    "cpe": "cpe:2.3:a:arm:mbed_crypto:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

mbedcrypto-0.*
mbedcrypto-0.1.0b
mbedcrypto-0.1.0b2
mbedcrypto-1.*
mbedcrypto-1.0.0
mbedcrypto-1.0.0d0
mbedcrypto-1.0.0d1
mbedcrypto-1.0.0d2
mbedcrypto-1.0.0d3
mbedcrypto-1.0.0d4
mbedcrypto-1.0.0d5
mbedcrypto-1.0.0d6
mbedcrypto-1.0.0d7
mbedcrypto-1.1.0
mbedcrypto-1.1.0d0
mbedcrypto-1.1.0d1
mbedcrypto-1.1.0d2
mbedcrypto-1.1.1
mbedcrypto-2.*
mbedcrypto-2.0.0
mbedcrypto-2.0.0d2
mbedcrypto-2.1.0d0
mbedcrypto-3.*
mbedcrypto-3.0.0d0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-18222.json"