{"id":"UBUNTU-CVE-2018-10900","details":"Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.","modified":"2025-09-08T16:44:52Z","published":"2018-07-26T15:29:00Z","upstream":["CVE-2018-10900"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-10900"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2018/07/20"},{"type":"REPORT","url":"https://pulsesecurity.co.nz/advisories/NM-VPNC-Privesc"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-10900"}],"affected":[{"package":{"name":"network-manager-vpnc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/network-manager-vpnc@0.9.8.6-1ubuntu2.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.8.6-1ubuntu2.1"}]}],"versions":["0.9.8.2-1ubuntu1","0.9.8.6-1ubuntu1","0.9.8.6-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.8.6-1ubuntu2.1","binary_name":"network-manager-vpnc"},{"binary_version":"0.9.8.6-1ubuntu2.1","binary_name":"network-manager-vpnc-gnome"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10900.json"}},{"package":{"name":"network-manager-vpnc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/network-manager-vpnc@1.1.93-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.93-1ubuntu0.1"}]}],"versions":["0.9.10.0-1ubuntu1","1.0.8-1ubuntu1","1.1.93-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.93-1ubuntu0.1","binary_name":"network-manager-vpnc"},{"binary_version":"1.1.93-1ubuntu0.1","binary_name":"network-manager-vpnc-gnome"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10900.json"}},{"package":{"name":"network-manager-vpnc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/network-manager-vpnc@1.2.4-6ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-6ubuntu0.1"}]}],"versions":["1.2.4-4","1.2.4-6"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.4-6ubuntu0.1","binary_name":"network-manager-vpnc"},{"binary_version":"1.2.4-6ubuntu0.1","binary_name":"network-manager-vpnc-gnome"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10900.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"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":"medium"}]}