{"id":"UBUNTU-CVE-2015-3202","details":"fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted LIBMOUNT_MTAB environment variable that is used by mount's debugging feature.","modified":"2026-02-04T04:34:15.020345Z","published":"2015-05-21T00:00:00Z","related":["USN-2617-1","USN-2617-2","USN-2617-3"],"upstream":["CVE-2015-3202"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-3202"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2617-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2617-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2617-3"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-3202"}],"affected":[{"package":{"name":"fuse","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/fuse@2.9.2-4ubuntu4.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2-4ubuntu4.14.04.1"}]}],"versions":["2.9.2-4ubuntu3","2.9.2-4ubuntu4"],"ecosystem_specific":{"binaries":[{"binary_name":"fuse","binary_version":"2.9.2-4ubuntu4.14.04.1"},{"binary_name":"libfuse-dev","binary_version":"2.9.2-4ubuntu4.14.04.1"},{"binary_name":"libfuse2","binary_version":"2.9.2-4ubuntu4.14.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3202.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"high"}]}