CVE-2019-18222

See a problem?
Please try reporting it to the source first.
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
Related
Published
2020-01-23T17:15:11.893Z
Modified
2026-04-09T06:40:37.203934Z
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

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 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.0.0"
        }
    ]
}
Type
GIT
Repo
https://github.com/armmbed/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d8180f8d84123704d04bb9d6fea7b36facdf7f00
Introduced
8be0e6db41b4a085e90cb03983f99d3a5158d450
Fixed
39e2c0eeb6501980764793e8d54c49c0a42bde48
Introduced
3f8d78411a26e833db18d9fbde0e2f0baeda87f0
Fixed
dbcb44202c9b67184a72afd21c7191c17eee352e
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.7.13"
        },
        {
            "introduced": "2.8.0"
        },
        {
            "fixed": "2.16.4"
        },
        {
            "introduced": "2.17.0"
        },
        {
            "fixed": "2.20.0"
        }
    ]
}

Affected versions

Other
beta-oob-2
mbedos-release-15-11
mbedos-techcon-oob2
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
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.10.0
mbedtls-2.11.0
mbedtls-2.12.0
mbedtls-2.13.0
mbedtls-2.13.1
mbedtls-2.14.0
mbedtls-2.16.0
mbedtls-2.16.2
mbedtls-2.16.3
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.20.0d0
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
mbedtls-2.5.1
mbedtls-2.6.0
mbedtls-2.6.0-rc1
mbedtls-2.7.0
mbedtls-2.7.0-rc1
mbedtls-2.7.1
mbedtls-2.7.11
mbedtls-2.7.12
mbedtls-2.7.2
mbedtls-2.7.2-rc1
mbedtls-2.7.3
mbedtls-2.7.4
mbedtls-2.7.5
mbedtls-2.7.6
mbedtls-2.7.7
mbedtls-2.7.8
mbedtls-2.7.9
mbedtls-2.8.0
mbedtls-2.9.0
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
yotta-2.*
yotta-2.3.1

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "30"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "31"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-18222.json"