{"id":"UBUNTU-CVE-2017-16355","details":"In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Enterprise 5.1.10), if Passenger is running as root, it is possible to list the contents of arbitrary files on a system by symlinking a file named REVISION from the application root folder to a file of choice and querying passenger-status --show=xml.","modified":"2026-02-04T04:30:04.006268Z","published":"2017-12-14T22:29:00Z","related":["USN-5261-1"],"upstream":["CVE-2017-16355"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-16355"},{"type":"REPORT","url":"https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2017/11/21/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-16355"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5261-1"}],"affected":[{"package":{"name":"passenger","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/passenger@5.0.27-2ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.27-2ubuntu0.1~esm1"}]}],"versions":["5.0.7-3","5.0.22-1","5.0.22-1build1","5.0.22-1build2","5.0.27-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"5.0.27-2ubuntu0.1~esm1","binary_name":"libapache2-mod-passenger"},{"binary_version":"5.0.27-2ubuntu0.1~esm1","binary_name":"passenger"},{"binary_version":"5.0.27-2ubuntu0.1~esm1","binary_name":"ruby-passenger"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-16355.json"}},{"package":{"name":"passenger","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/passenger@5.0.30-1+deb9u1build0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.30-1+deb9u1build0.18.04.1"}]}],"versions":["5.0.30-1","5.0.30-1build1","5.0.30-1build2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.0.30-1+deb9u1build0.18.04.1","binary_name":"libapache2-mod-passenger"},{"binary_version":"5.0.30-1+deb9u1build0.18.04.1","binary_name":"passenger"},{"binary_version":"5.0.30-1+deb9u1build0.18.04.1","binary_name":"ruby-passenger"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-16355.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}