{"id":"UBUNTU-CVE-2017-18641","details":"In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers.","modified":"2026-04-22T11:21:41.828218Z","published":"2020-02-10T01:15:00Z","upstream":["CVE-2017-18641"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18641"},{"type":"REPORT","url":"https://github.com/lxc/lxc/pull/1371"},{"type":"REPORT","url":"https://lists.debian.org/debian-lts/2020/02/msg00102.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-18641"}],"affected":[{"package":{"name":"lxc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/lxc@1.0.10-0ubuntu1.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0~alpha1-0ubuntu11","1.0.0~alpha2-0ubuntu1","1.0.0~alpha2-0ubuntu3","1.0.0~alpha2-0ubuntu4","1.0.0~alpha2-0ubuntu5","1.0.0~alpha2-0ubuntu6","1.0.0~alpha3-0ubuntu1","1.0.0~alpha3-0ubuntu2","1.0.0~alpha3-0ubuntu3","1.0.0~alpha3-0ubuntu4","1.0.0~alpha3-0ubuntu5","1.0.0~alpha3-0ubuntu6","1.0.0~alpha3-0ubuntu7","1.0.0~alpha3-0ubuntu8","1.0.0~beta1-0ubuntu1","1.0.0~beta1-0ubuntu2","1.0.0~beta1-0ubuntu3","1.0.0~beta2-0ubuntu1","1.0.0~beta2-0ubuntu2","1.0.0~beta3-0ubuntu1","1.0.0~beta4-0ubuntu1","1.0.0~beta4-0ubuntu2","1.0.0~rc1-0ubuntu2","1.0.0~rc3-0ubuntu1","1.0.0~rc4-0ubuntu1","1.0.0-0ubuntu1","1.0.0-0ubuntu2","1.0.0-0ubuntu3","1.0.0-0ubuntu4","1.0.1-0ubuntu1","1.0.2-0ubuntu1","1.0.2-0ubuntu2","1.0.3-0ubuntu1","1.0.3-0ubuntu2","1.0.3-0ubuntu3","1.0.4-0ubuntu0.1","1.0.5-0ubuntu0.1","1.0.6-0ubuntu0.1","1.0.7-0ubuntu0.1","1.0.7-0ubuntu0.2","1.0.7-0ubuntu0.5","1.0.7-0ubuntu0.6","1.0.7-0ubuntu0.7","1.0.7-0ubuntu0.9","1.0.7-0ubuntu0.10","1.0.8-0ubuntu0.3","1.0.8-0ubuntu0.4","1.0.9-0ubuntu2","1.0.9-0ubuntu3","1.0.10-0ubuntu1","1.0.10-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"liblxc1","binary_version":"1.0.10-0ubuntu1.1"},{"binary_name":"lxc","binary_version":"1.0.10-0ubuntu1.1"},{"binary_name":"lxc-templates","binary_version":"1.0.10-0ubuntu1.1"},{"binary_name":"lxc-tests","binary_version":"1.0.10-0ubuntu1.1"},{"binary_name":"python3-lxc","binary_version":"1.0.10-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18641.json"}},{"package":{"name":"lxc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/lxc@2.0.11-0ubuntu1~16.04.3+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.4-0ubuntu1","1.1.4-0ubuntu1.1","1.1.4-0ubuntu3","1.1.5-0ubuntu1","1.1.5-0ubuntu2","1.1.5-0ubuntu3","1.1.5-0ubuntu4","1.1.5-0ubuntu5","1.1.5-0ubuntu6","2.0.0~beta2-0ubuntu2","2.0.0~rc1-0ubuntu1","2.0.0~rc2-0ubuntu2","2.0.0~rc3-0ubuntu1","2.0.0~rc3-0ubuntu2","2.0.0~rc3-0ubuntu3","2.0.0~rc4-0ubuntu1","2.0.0~rc5-0ubuntu1","2.0.0~rc9-0ubuntu1","2.0.0~rc10-0ubuntu1","2.0.0~rc10-0ubuntu2","2.0.0~rc11-0ubuntu1","2.0.0~rc12-0ubuntu1","2.0.0~rc13-0ubuntu2","2.0.0~rc14-0ubuntu2","2.0.0~rc15-0ubuntu1","2.0.0-0ubuntu1","2.0.0-0ubuntu2","2.0.1-0ubuntu1~16.04.1","2.0.3-0ubuntu1~ubuntu16.04.1","2.0.4-0ubuntu1~ubuntu16.04.2","2.0.5-0ubuntu1~ubuntu16.04.1","2.0.5-0ubuntu1~ubuntu16.04.2","2.0.5-0ubuntu1~ubuntu16.04.3","2.0.6-0ubuntu1~ubuntu16.04.1","2.0.6-0ubuntu1~ubuntu16.04.2","2.0.7-0ubuntu1~16.04.1","2.0.7-0ubuntu1~16.04.2","2.0.8-0ubuntu1~16.04.2","2.0.11-0ubuntu1~16.04.3","2.0.11-0ubuntu1~16.04.3+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"liblxc1","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"},{"binary_name":"lua-lxc","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"},{"binary_name":"lxc","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"},{"binary_name":"lxc-common","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"},{"binary_name":"lxc-templates","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"},{"binary_name":"lxc-tests","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"},{"binary_name":"lxc1","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"},{"binary_name":"python3-lxc","binary_version":"2.0.11-0ubuntu1~16.04.3+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18641.json"}},{"package":{"name":"lxc-templates","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/lxc-templates@3.0.0-0ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.0~beta1-0ubuntu1","3.0.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"lxc-templates","binary_version":"3.0.0-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18641.json"}},{"package":{"name":"lxc-templates","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/lxc-templates@3.0.4-3ubuntu1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.4-1ubuntu1","3.0.4-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"lxc-templates","binary_version":"3.0.4-3ubuntu1"}]},"database_specific":{"source":"https://gith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