CVE-2019-18222

Name
CVE-2019-18222
Description
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Vendor Advisory https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12
Vendor Advisory https://tls.mbed.org/tech-updates/security-advisories
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:arm:mbed_crypto:*:*:*:*:*:*:*:* mbed_crypto >= None < 3.0.0
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* mbed_tls >= 2.17.0 < 2.20.0
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* mbed_tls >= 2.8.0 < 2.16.4
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* mbed_tls >= None < 2.7.13

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
mbedtls2 edge-community 2.16.4-r0 None fixed
mbedtls2 3.22-community 2.16.4-r0 None fixed
mbedtls2 3.21-community 2.16.4-r0 None fixed
mbedtls2 3.20-community 2.16.4-r0 None fixed
mbedtls edge-main 2.16.4-r0 None fixed
mbedtls 3.22-main 2.16.4-r0 None fixed
mbedtls 3.21-main 2.16.4-r0 None fixed
mbedtls 3.20-main 2.16.4-r0 None fixed
mbedtls 3.19-main 2.16.4-r0 None fixed
mbedtls 3.18-main 2.16.4-r0 None fixed
mbedtls 3.17-main 2.16.4-r0 None fixed
mbedtls 3.12-main 2.16.4-r0 None fixed
mbedtls 3.11-main 2.16.4-r0 None fixed
mbedtls 3.10-main 2.16.4-r0 None fixed