{"id":"USN-5103-1","summary":"docker.io vulnerability","details":"Lei Wang and Ruizhi Xiao discovered that the Moby Docker engine in\nDocker incorrectly allowed the docker cp command to make permissions\nchanges in the host filesystem in some situations. A local attacker\ncould possibly use to this to expose sensitive information or gain\nadministrative privileges.\n","modified":"2026-02-10T04:42:20Z","published":"2021-10-04T22:48:39Z","related":["UBUNTU-CVE-2021-41089"],"upstream":["CVE-2021-41089","UBUNTU-CVE-2021-41089"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5103-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41089"}],"affected":[{"package":{"name":"docker.io","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/docker.io@18.09.7-0ubuntu1~16.04.9+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.09.7-0ubuntu1~16.04.9+esm1"}]}],"versions":["1.6.2~dfsg1-1ubuntu4","1.10.2-0ubuntu3","1.10.2-0ubuntu4","1.10.3-0ubuntu1","1.10.3-0ubuntu4","1.10.3-0ubuntu5","1.10.3-0ubuntu6","1.11.2-0ubuntu5~16.04","1.12.1-0ubuntu13~16.04.1","1.12.3-0ubuntu4~16.04.2","1.12.6-0ubuntu1~16.04.1","1.13.1-0ubuntu1~16.04.2","17.03.2-0ubuntu2~16.04.1","18.06.1-0ubuntu1~16.04.2","18.06.1-0ubuntu1.2~16.04.1","18.09.2-0ubuntu1~16.04.1","18.09.5-0ubuntu1~16.04.2","18.09.7-0ubuntu1~16.04.1","18.09.7-0ubuntu1~16.04.4","18.09.7-0ubuntu1~16.04.5","18.09.7-0ubuntu1~16.04.6","18.09.7-0ubuntu1~16.04.7"],"ecosystem_specific":{"binaries":[{"binary_name":"docker.io","binary_version":"18.09.7-0ubuntu1~16.04.9+esm1"},{"binary_name":"golang-docker-dev","binary_version":"18.09.7-0ubuntu1~16.04.9+esm1"},{"binary_name":"golang-github-docker-docker-dev","binary_version":"18.09.7-0ubuntu1~16.04.9+esm1"},{"binary_name":"vim-syntax-docker","binary_version":"18.09.7-0ubuntu1~16.04.9+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5103-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-41089"}]}}},{"package":{"name":"docker.io","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/docker.io@20.10.7-0ubuntu1~18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20.10.7-0ubuntu1~18.04.2"}]}],"versions":["1.13.1-0ubuntu6","17.03.2-0ubuntu1","17.03.2-0ubuntu3","17.03.2-0ubuntu5","17.12.1-0ubuntu1","18.06.1-0ubuntu1~18.04.1","18.06.1-0ubuntu1.2~18.04.1","18.09.2-0ubuntu1~18.04.1","18.09.5-0ubuntu1~18.04.2","18.09.7-0ubuntu1~18.04.1","18.09.7-0ubuntu1~18.04.3","18.09.7-0ubuntu1~18.04.4","19.03.6-0ubuntu1~18.04.1","19.03.6-0ubuntu1~18.04.2","19.03.6-0ubuntu1~18.04.3","20.10.2-0ubuntu1~18.04.2","20.10.2-0ubuntu1~18.04.3","20.10.7-0ubuntu1~18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"docker.io","binary_version":"20.10.7-0ubuntu1~18.04.2"},{"binary_name":"golang-docker-dev","binary_version":"20.10.7-0ubuntu1~18.04.2"},{"binary_name":"golang-github-docker-docker-dev","binary_version":"20.10.7-0ubuntu1~18.04.2"},{"binary_name":"vim-syntax-docker","binary_version":"20.10.7-0ubuntu1~18.04.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5103-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-41089"}]}}},{"package":{"name":"docker.io","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/docker.io@20.10.7-0ubuntu1~20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20.10.7-0ubuntu1~20.04.2"}]}],"versions":["19.03.2-0ubuntu1","19.03.6-0ubuntu1","19.03.8-0ubuntu1","19.03.8-0ubuntu1.20.04","19.03.8-0ubuntu1.20.04.1","19.03.8-0ubuntu1.20.04.2","20.10.2-0ubuntu1~20.04.2","20.10.2-0ubuntu1~20.04.3","20.10.7-0ubuntu1~20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"docker.io","binary_version":"20.10.7-0ubuntu1~20.04.2"},{"binary_name":"golang-docker-dev","binary_version":"20.10.7-0ubuntu1~20.04.2"},{"binary_name":"golang-github-docker-docker-dev","binary_version":"20.10.7-0ubuntu1~20.04.2"},{"binary_name":"vim-syntax-docker","binary_version":"20.10.7-0ubuntu1~20.04.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5103-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-41089"}]}}}],"schema_version":"1.7.3"}