{"id":"UBUNTU-CVE-2016-5008","details":"libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.","modified":"2026-04-22T10:58:02.869891Z","published":"2016-07-13T00:00:00Z","related":["USN-3576-1"],"upstream":["CVE-2016-5008"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-5008"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1180092"},{"type":"REPORT","url":"http://security.libvirt.org/2016/0001.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3576-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-5008"}],"affected":[{"package":{"name":"libvirt","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libvirt@1.2.2-0ubuntu13.1.26?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2-0ubuntu13.1.26"}]}],"versions":["1.1.1-0ubuntu8","1.1.1-0ubuntu9","1.1.4-0ubuntu2","1.1.4-0ubuntu3","1.1.4-0ubuntu4","1.1.4-0ubuntu5","1.2.0-0ubuntu1","1.2.0-0ubuntu2","1.2.0-0ubuntu3","1.2.1-0ubuntu1","1.2.1-0ubuntu2","1.2.1-0ubuntu3","1.2.1-0ubuntu4","1.2.1-0ubuntu5","1.2.1-0ubuntu7","1.2.1-0ubuntu8","1.2.1-0ubuntu9","1.2.1-0ubuntu10","1.2.2-0ubuntu1","1.2.2-0ubuntu2","1.2.2-0ubuntu3","1.2.2-0ubuntu4","1.2.2-0ubuntu5","1.2.2-0ubuntu6","1.2.2-0ubuntu7","1.2.2-0ubuntu8","1.2.2-0ubuntu9","1.2.2-0ubuntu10","1.2.2-0ubuntu11","1.2.2-0ubuntu12","1.2.2-0ubuntu13","1.2.2-0ubuntu13.1","1.2.2-0ubuntu13.1.1","1.2.2-0ubuntu13.1.2","1.2.2-0ubuntu13.1.4","1.2.2-0ubuntu13.1.5","1.2.2-0ubuntu13.1.6","1.2.2-0ubuntu13.1.7","1.2.2-0ubuntu13.1.8","1.2.2-0ubuntu13.1.9","1.2.2-0ubuntu13.1.10","1.2.2-0ubuntu13.1.12","1.2.2-0ubuntu13.1.14","1.2.2-0ubuntu13.1.16","1.2.2-0ubuntu13.1.17","1.2.2-0ubuntu13.1.20","1.2.2-0ubuntu13.1.21","1.2.2-0ubuntu13.1.22","1.2.2-0ubuntu13.1.23","1.2.2-0ubuntu13.1.25"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libvirt-bin","binary_version":"1.2.2-0ubuntu13.1.26"},{"binary_name":"libvirt0","binary_version":"1.2.2-0ubuntu13.1.26"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5008.json"}},{"package":{"name":"libvirt","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libvirt@1.3.1-1ubuntu10.19?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-1ubuntu10.19"}]}],"versions":["1.2.16-2ubuntu11","1.2.16-2ubuntu12","1.2.16-2ubuntu13","1.2.16-2ubuntu14","1.2.21-2ubuntu1","1.2.21-2ubuntu3","1.2.21-2ubuntu4","1.2.21-2ubuntu5","1.2.21-2ubuntu7","1.2.21-2ubuntu8","1.2.21-2ubuntu9","1.2.21-2ubuntu10","1.3.1-1ubuntu1","1.3.1-1ubuntu2","1.3.1-1ubuntu3","1.3.1-1ubuntu4","1.3.1-1ubuntu6","1.3.1-1ubuntu9","1.3.1-1ubuntu10","1.3.1-1ubuntu10.1","1.3.1-1ubuntu10.2","1.3.1-1ubuntu10.3","1.3.1-1ubuntu10.5","1.3.1-1ubuntu10.6","1.3.1-1ubuntu10.7","1.3.1-1ubuntu10.8","1.3.1-1ubuntu10.10","1.3.1-1ubuntu10.11","1.3.1-1ubuntu10.12","1.3.1-1ubuntu10.13","1.3.1-1ubuntu10.14","1.3.1-1ubuntu10.15","1.3.1-1ubuntu10.17","1.3.1-1ubuntu10.18"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libvirt-bin","binary_version":"1.3.1-1ubuntu10.19"},{"binary_name":"libvirt0","binary_version":"1.3.1-1ubuntu10.19"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5008.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}