{"id":"USN-5628-2","summary":"etcd vulnerabilities","details":"USN-5628-1 fixed vulnerabilities in etcd.\nThis update provides the corresponding updates for Ubuntu 18.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that etcd incorrectly handled certain specially crafted\n WAL files. An attacker could possibly use this issue to cause a denial of\n service. (CVE-2020-15106, CVE-2020-15112)\n\n It was discovered that etcd incorrectly handled directory permissions when\n trying to create a directory that exists already. An attacker could\n possibly use this issue to obtain sensitive information. (CVE-2020-15113)\n\n It was discovered that etcd incorrectly handled endpoint setup. An\n attacker could possibly use this issue to cause a denial of\n service. (CVE-2020-15114)\n","modified":"2026-02-10T04:42:47Z","published":"2022-09-22T15:16:34Z","related":["UBUNTU-CVE-2020-15106","UBUNTU-CVE-2020-15112","UBUNTU-CVE-2020-15113","UBUNTU-CVE-2020-15114"],"upstream":["CVE-2020-15106","CVE-2020-15112","CVE-2020-15113","CVE-2020-15114","UBUNTU-CVE-2020-15106","UBUNTU-CVE-2020-15112","UBUNTU-CVE-2020-15113","UBUNTU-CVE-2020-15114"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5628-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15106"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15112"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15113"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15114"}],"affected":[{"package":{"name":"etcd","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/etcd@3.2.17+dfsg-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.17+dfsg-1ubuntu0.1~esm1"}]}],"versions":["3.1.0-1","3.2.9+dfsg-2","3.2.9+dfsg-3","3.2.17+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.2.17+dfsg-1ubuntu0.1~esm1","binary_name":"etcd"},{"binary_version":"3.2.17+dfsg-1ubuntu0.1~esm1","binary_name":"etcd-client"},{"binary_version":"3.2.17+dfsg-1ubuntu0.1~esm1","binary_name":"etcd-server"},{"binary_version":"3.2.17+dfsg-1ubuntu0.1~esm1","binary_name":"golang-etcd-server-dev"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2020-15106","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-15112","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-15113","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-15114","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5628-2.json"}}],"schema_version":"1.7.3"}