{"id":"UBUNTU-CVE-2017-14609","details":"The server daemons in Kannel 1.5.0 and earlier create a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a \"kill `cat /pathname`\" command, as demonstrated by bearerbox.","modified":"2026-05-20T16:03:16.265101598Z","published":"2017-09-20T18:29:00Z","upstream":["CVE-2017-14609"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-14609"},{"type":"REPORT","url":"https://redmine.kannel.org/issues/771"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-14609"}],"affected":[{"package":{"name":"kannel","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/kannel?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.4-1","1.4.4-2","1.4.4-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"kannel","binary_version":"1.4.4-2build1"},{"binary_name":"kannel-docs","binary_version":"1.4.4-2build1"},{"binary_name":"kannel-extras","binary_version":"1.4.4-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14609.json"}},{"package":{"name":"kannel","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/kannel?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.4-4","1.4.4-5"],"ecosystem_specific":{"binaries":[{"binary_name":"kannel","binary_version":"1.4.4-5"},{"binary_name":"kannel-docs","binary_version":"1.4.4-5"},{"binary_name":"kannel-extras","binary_version":"1.4.4-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14609.json"}},{"package":{"name":"kannel","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/kannel?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-3ubuntu1","1.4.5-3ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"kannel","binary_version":"1.4.5-3ubuntu2"},{"binary_name":"kannel-docs","binary_version":"1.4.5-3ubuntu2"},{"binary_version":"1.4.5-3ubuntu2","binary_name":"kannel-extras"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14609.json"}},{"package":{"name":"kannel","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/kannel?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-9ubuntu1","1.4.5-9ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"kannel","binary_version":"1.4.5-9ubuntu2"},{"binary_version":"1.4.5-9ubuntu2","binary_name":"kannel-docs"},{"binary_name":"kannel-extras","binary_version":"1.4.5-9ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14609.json"}},{"package":{"name":"kannel","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/kannel?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-9ubuntu2","1.4.5-13ubuntu1","1.4.5-13ubuntu2","1.4.5-13ubuntu3","1.4.5-16ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.5-16ubuntu1","binary_name":"kannel"},{"binary_name":"kannel-docs","binary_version":"1.4.5-16ubuntu1"},{"binary_name":"kannel-extras","binary_version":"1.4.5-16ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14609.json"}},{"package":{"name":"kannel","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/kannel?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-20ubuntu2","1.4.5-20ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"kannel","binary_version":"1.4.5-20ubuntu3"},{"binary_version":"1.4.5-20ubuntu3","binary_name":"kannel-docs"},{"binary_name":"kannel-extras","binary_version":"1.4.5-20ubuntu3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14609.json"}},{"package":{"name":"kannel","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/kannel?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-20ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.5-20ubuntu3","binary_name":"kannel"},{"binary_version":"1.4.5-20ubuntu3","binary_name":"kannel-docs"},{"binary_name":"kannel-extras","binary_version":"1.4.5-20ubuntu3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14609.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"}]}