{"id":"UBUNTU-CVE-2020-14929","details":"Alpine before 2.23 silently proceeds to use an insecure connection after a /tls is sent in certain circumstances involving PREAUTH, which is a less secure behavior than the alternative of closing the connection and letting the user decide what they would like to do.","modified":"2026-02-04T02:48:20.974439Z","published":"2020-06-19T19:15:00Z","related":["USN-7360-1"],"upstream":["CVE-2020-14929"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14929"},{"type":"REPORT","url":"http://mailman13.u.washington.edu/pipermail/alpine-info/2020-June/008989.html"},{"type":"REPORT","url":"https://repo.or.cz/alpine.git/commitdiff/000edd9036b6aea5e6a06900ecd6c58faec665ab"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-14929"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7360-1"}],"affected":[{"package":{"name":"alpine","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/alpine@2.20+dfsg1-2ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20+dfsg1-2ubuntu0.1~esm1"}]}],"versions":["2.20+dfsg1-1","2.20+dfsg1-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.20+dfsg1-2ubuntu0.1~esm1","binary_name":"alpine"},{"binary_version":"2.20+dfsg1-2ubuntu0.1~esm1","binary_name":"alpine-pico"},{"binary_version":"2.20+dfsg1-2ubuntu0.1~esm1","binary_name":"pilot"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14929.json"}},{"package":{"name":"alpine","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/alpine@2.21+dfsg1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21+dfsg1-1ubuntu0.1~esm1"}]}],"versions":["2.20+dfsg1-7","2.21+dfsg1-1","2.21+dfsg1-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.21+dfsg1-1ubuntu0.1~esm1","binary_name":"alpine"},{"binary_version":"2.21+dfsg1-1ubuntu0.1~esm1","binary_name":"alpine-pico"},{"binary_version":"2.21+dfsg1-1ubuntu0.1~esm1","binary_name":"pilot"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14929.json"}},{"package":{"name":"alpine","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/alpine@2.22+dfsg1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.22+dfsg1-1ubuntu0.1~esm1"}]}],"versions":["2.21+dfsg1-1.1build1","2.22+dfsg1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.22+dfsg1-1ubuntu0.1~esm1","binary_name":"alpine"},{"binary_version":"2.22+dfsg1-1ubuntu0.1~esm1","binary_name":"alpine-pico"},{"binary_version":"2.22+dfsg1-1ubuntu0.1~esm1","binary_name":"pilot"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14929.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}