{"id":"UBUNTU-CVE-2018-14665","details":"A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.","modified":"2026-04-22T12:53:52.615867Z","published":"2018-10-25T00:00:00Z","related":["USN-3802-1"],"upstream":["CVE-2018-14665"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14665"},{"type":"REPORT","url":"https://lists.x.org/archives/xorg-announce/2018-October/002927.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3802-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-14665"}],"affected":[{"package":{"name":"xorg-server-hwe-16.04","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/xorg-server-hwe-16.04@2:1.19.6-1ubuntu4.1~16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.19.6-1ubuntu4.1~16.04.2"}]}],"versions":["2:1.18.4-1ubuntu6.1~16.04.1","2:1.18.4-1ubuntu6.1~16.04.2","2:1.19.3-1ubuntu1~16.04.2","2:1.19.3-1ubuntu1~16.04.3","2:1.19.3-1ubuntu1~16.04.4","2:1.19.5-0ubuntu2~16.04.1","2:1.19.6-1ubuntu4~16.04.1","2:1.19.6-1ubuntu4.1~16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2:1.19.6-1ubuntu4.1~16.04.2","binary_name":"xmir-hwe-16.04"},{"binary_version":"2:1.19.6-1ubuntu4.1~16.04.2","binary_name":"xorg-server-source-hwe-16.04"},{"binary_version":"2:1.19.6-1ubuntu4.1~16.04.2","binary_name":"xserver-xephyr-hwe-16.04"},{"binary_version":"2:1.19.6-1ubuntu4.1~16.04.2","binary_name":"xserver-xorg-core-hwe-16.04"},{"binary_version":"2:1.19.6-1ubuntu4.1~16.04.2","binary_name":"xserver-xorg-dev-hwe-16.04"},{"binary_version":"2:1.19.6-1ubuntu4.1~16.04.2","binary_name":"xserver-xorg-legacy-hwe-16.04"},{"binary_version":"2:1.19.6-1ubuntu4.1~16.04.2","binary_name":"xwayland-hwe-16.04"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14665.json"}},{"package":{"name":"xorg-server","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/xorg-server@2:1.19.6-1ubuntu4.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.19.6-1ubuntu4.2"}]}],"versions":["2:1.19.5-0ubuntu2","2:1.19.6-1ubuntu1","2:1.19.6-1ubuntu2","2:1.19.6-1ubuntu3","2:1.19.6-1ubuntu4","2:1.19.6-1ubuntu4.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xdmx"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xdmx-tools"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xmir"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xnest"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xorg-server-source"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xserver-common"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xserver-xephyr"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xserver-xorg-core"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xserver-xorg-legacy"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xserver-xorg-xmir"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xvfb"},{"binary_version":"2:1.19.6-1ubuntu4.2","binary_name":"xwayland"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14665.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}