{"id":"UBUNTU-CVE-2016-2779","details":"runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.","modified":"2026-04-22T10:38:29.445323Z","published":"2017-02-07T15:59:00Z","upstream":["CVE-2016-2779"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-2779"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/02/27/1"},{"type":"REPORT","url":"http://marc.info/?l=util-linux-ng&m=145694736107128&w=2"},{"type":"REPORT","url":"https://github.com/util-linux/util-linux/commit/a0a8e9884443601abf9f06b715f2f6bb0820cbad"},{"type":"REPORT","url":"https://github.com/util-linux/util-linux/commit/23f75093264aae5d58d61016cb1a29d8ebdfa157"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-2779"}],"affected":[{"package":{"name":"util-linux","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/util-linux@2.27.1-6ubuntu3.10+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.26.2-6ubuntu3","2.27-3ubuntu1","2.27.1-1ubuntu2","2.27.1-1ubuntu3","2.27.1-1ubuntu4","2.27.1-3ubuntu1","2.27.1-4ubuntu1","2.27.1-6ubuntu1","2.27.1-6ubuntu2","2.27.1-6ubuntu3","2.27.1-6ubuntu3.1","2.27.1-6ubuntu3.2","2.27.1-6ubuntu3.3","2.27.1-6ubuntu3.4","2.27.1-6ubuntu3.6","2.27.1-6ubuntu3.7","2.27.1-6ubuntu3.8","2.27.1-6ubuntu3.9","2.27.1-6ubuntu3.10","2.27.1-6ubuntu3.10+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"bsdutils","binary_version":"1:2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libblkid1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libfdisk1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libmount1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libsmartcols1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libuuid1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"mount","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"util-linux","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"util-linux-locales","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"uuid-runtime","binary_version":"2.27.1-6ubuntu3.10+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2779.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:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}