{"id":"UBUNTU-CVE-2017-14032","details":"ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote attackers to bypass peer authentication via an X.509 certificate chain with many intermediates. NOTE: although mbed TLS was formerly known as PolarSSL, the releases shipped with the PolarSSL name are not affected.","modified":"2025-09-08T16:44:25Z","published":"2017-08-30T20:29:00Z","upstream":["CVE-2017-14032"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-14032"},{"type":"REPORT","url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2017-02"},{"type":"REPORT","url":"https://github.com/ARMmbed/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32"},{"type":"REPORT","url":"https://github.com/ARMmbed/mbedtls/commit/d15795acd5074e0b44e71f7ede8bdfe1b48591fc"},{"type":"REPORT","url":"https://bugs.debian.org/873557"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-14032"}],"affected":[{"package":{"name":"mbedtls","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mbedtls@2.2.1-2ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-2ubuntu0.2"}]}],"versions":["2.1.2-1","2.2.0-1","2.2.1-1","2.2.1-2","2.2.1-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.1-2ubuntu0.2","binary_name":"libmbedcrypto0"},{"binary_version":"2.2.1-2ubuntu0.2","binary_name":"libmbedtls-dev"},{"binary_version":"2.2.1-2ubuntu0.2","binary_name":"libmbedtls10"},{"binary_version":"2.2.1-2ubuntu0.2","binary_name":"libmbedx509-0"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14032.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}