{"id":"CVE-2020-15704","details":"The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2, 2.4.7-1+2ubuntu1.16.04.3, 2.4.7-2+2ubuntu1.3, 2.4.7-2+4.1ubuntu5.1, 2.4.7-2+4.1ubuntu6. Was ZDI-CAN-11504.","modified":"2026-03-14T10:18:26.516016Z","published":"2020-09-01T00:15:09.907Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4451-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4451-2"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15704.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"2.4.7-1\\+ubuntu1.16.04.3"}]},{"events":[{"introduced":"0"},{"fixed":"2.4.7-2\\+2ubuntu1.3"}]},{"events":[{"introduced":"0"},{"fixed":"2.4.7-2\\+4.1ubuntu5.1"}]},{"events":[{"introduced":"0"},{"fixed":"2.4.5-5ubuntu1.4"}]},{"events":[{"introduced":"0"},{"fixed":"2.4.5-5.1ubuntu2.3\\+esm2"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}