{"id":"UBUNTU-CVE-2020-7040","details":"storeBackup.pl in storeBackup through 3.5 relies on the /tmp/storeBackup.lock pathname, which allows symlink attacks that possibly lead to privilege escalation. (Local users can also create a plain file named /tmp/storeBackup.lock to block use of storeBackup until an admin manually deletes that file.)","modified":"2026-02-04T03:46:24.779626Z","published":"2020-01-21T21:15:00Z","related":["USN-4508-1"],"upstream":["CVE-2020-7040"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-7040"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2020/01/20/3"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4508-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-7040"}],"affected":[{"package":{"name":"storebackup","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/storebackup@3.2.1-1+deb8u1build0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.1-1+deb8u1build0.16.04.1"}]}],"versions":["3.2.1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"storebackup","binary_version":"3.2.1-1+deb8u1build0.16.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-7040.json"}},{"package":{"name":"storebackup","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/storebackup@3.2.1-1+deb8u1build0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.1-1+deb8u1build0.18.04.1"}]}],"versions":["3.2.1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"storebackup","binary_version":"3.2.1-1+deb8u1build0.18.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-7040.json"}},{"package":{"name":"storebackup","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/storebackup@3.2.1-1+deb8u1build0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.1-1+deb8u1build0.20.04.1"}]}],"versions":["3.2.1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"storebackup","binary_version":"3.2.1-1+deb8u1build0.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-7040.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}