{"id":"UBUNTU-CVE-2018-1099","details":"DNS rebinding vulnerability found in etcd 3.3.1 and earlier. An attacker can control his DNS records to direct to localhost, and trick the browser into sending requests to localhost (or any other address).","modified":"2026-04-27T15:33:31.517726Z","published":"2018-04-03T16:29:00Z","upstream":["CVE-2018-1099"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1099"},{"type":"REPORT","url":"https://github.com/coreos/etcd/issues/9353"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1552717"},{"type":"REPORT","url":"https://github.com/etcd-io/etcd/issues/10479"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1099"}],"affected":[{"package":{"name":"etcd","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/etcd@2.2.5+dfsg-1ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.0+dfsg-2","2.2.1+dfsg-1","2.2.2+dfsg-1","2.2.2+dfsg-2","2.2.3+dfsg-1","2.2.5+dfsg-1","2.2.5+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"etcd","binary_version":"2.2.5+dfsg-1ubuntu1"},{"binary_name":"golang-etcd-server-dev","binary_version":"2.2.5+dfsg-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1099.json"}},{"package":{"name":"etcd","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/etcd@3.2.17+dfsg-1ubuntu0.1+esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.0-1","3.2.9+dfsg-2","3.2.9+dfsg-3","3.2.17+dfsg-1","3.2.17+dfsg-1ubuntu0.1~esm1","3.2.17+dfsg-1ubuntu0.1","3.2.17+dfsg-1ubuntu0.1+esm1","3.2.17+dfsg-1ubuntu0.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"etcd","binary_version":"3.2.17+dfsg-1ubuntu0.1+esm2"},{"binary_name":"etcd-client","binary_version":"3.2.17+dfsg-1ubuntu0.1+esm2"},{"binary_name":"etcd-server","binary_version":"3.2.17+dfsg-1ubuntu0.1+esm2"},{"binary_name":"golang-etcd-server-dev","binary_version":"3.2.17+dfsg-1ubuntu0.1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1099.json"}},{"package":{"name":"etcd","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/etcd@3.2.26+dfsg-6ubuntu0.2+esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.26+dfsg-3","3.2.26+dfsg-4","3.2.26+dfsg-6","3.2.26+dfsg-6ubuntu0.1","3.2.26+dfsg-6ubuntu0.2","3.2.26+dfsg-6ubuntu0.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"etcd","binary_version":"3.2.26+dfsg-6ubuntu0.2+esm1"},{"binary_name":"etcd-client","binary_version":"3.2.26+dfsg-6ubuntu0.2+esm1"},{"binary_name":"etcd-server","binary_version":"3.2.26+dfsg-6ubuntu0.2+esm1"},{"binary_name":"golang-etcd-server-dev","binary_version":"3.2.26+dfsg-6ubuntu0.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1099.json"}},{"package":{"name":"etcd","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/etcd@3.3.25+dfsg-7ubuntu0.22.04.2+esm3?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.25+dfsg-6","3.3.25+dfsg-7","3.3.25+dfsg-7ubuntu0.22.04.1","3.3.25+dfsg-7ubuntu0.22.04.1+esm1","3.3.25+dfsg-7ubuntu0.22.04.2","3.3.25+dfsg-7ubuntu0.22.04.2+esm1","3.3.25+dfsg-7ubuntu0.22.04.2+esm2","3.3.25+dfsg-7ubuntu0.22.04.2+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"etcd","binary_version":"3.3.25+dfsg-7ubuntu0.22.04.2+esm3"},{"binary_name":"etcd-client","binary_version":"3.3.25+dfsg-7ubuntu0.22.04.2+esm3"},{"binary_name":"etcd-server","binary_version":"3.3.25+dfsg-7ubuntu0.22.04.2+esm3"},{"binary_name":"golang-etcd-server-dev","binary_version":"3.3.25+dfsg-7ubuntu0.22.04.2+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1099.json"}},{"package":{"name":"etcd","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/etcd@3.4.30-1ubuntu0.24.04.3+esm2?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.23-4ubuntu2","3.4.30-1","3.4.30-1build1","3.4.30-1ubuntu0.24.04.1","3.4.30-1ubuntu0.24.04.2","3.4.30-1ubuntu0.24.04.2+esm1","3.4.30-1ubuntu0.24.04.3","3.4.30-1ubuntu0.24.04.3+esm1","3.4.30-1ubuntu0.24.04.3+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"etcd-client","binary_version":"3.4.30-1ubuntu0.24.04.3+esm2"},{"binary_name":"etcd-server","binary_version":"3.4.30-1ubuntu0.24.04.3+esm2"},{"binary_name":"golang-etcd-server-dev","binary_version":"3.4.30-1ubuntu0.24.04.3+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1099.json"}},{"package":{"name":"etcd","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/etcd@3.5.16-4?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.16-4"],"ecosystem_specific":{"binaries":[{"binary_name":"etcd-client","binary_version":"3.5.16-4"},{"binary_name":"etcd-server","binary_version":"3.5.16-4"},{"binary_name":"golang-etcd-server-dev","binary_version":"3.5.16-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1099.json"}},{"package":{"name":"etcd","ecosystem":"Ubuntu:26.04","purl":"pkg:deb/ubuntu/etcd@3.5.16-10?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.16-4","3.5.16-10"],"ecosystem_specific":{"binaries":[{"binary_name":"etcd-client","binary_version":"3.5.16-10"},{"binary_name":"etcd-server","binary_version":"3.5.16-10"},{"binary_name":"golang-etcd-server-dev","binary_version":"3.5.16-10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1099.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}]}