{"id":"CVE-2017-16355","aliases":["DEBIAN-CVE-2017-16355","DSA-4415-1","EUVD-2022-3633","GHSA-cv3f-px9r-54hm","SUSE-SU-2018:0262-1","UBUNTU-CVE-2017-16355","USN-5261-1"],"status":"published","title":"Phusion Passenger information disclosure","description":"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.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00361,"percentile":0.30115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2017-12-14T22:00:00Z","modified":"2026-10-20T13:17:38Z","fixes":[{"ecosystem":"RubyGems","package":"passenger","fixed_in":["5.1.11"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"passenger","fixed_in":["5.0.30-1.1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"passenger","fixed_in":["5.0.30-1.1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"passenger","fixed_in":["5.0.30-1.1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"passenger","fixed_in":["5.0.30-1+deb9u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"passenger","fixed_in":["5.0.27-2ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"passenger","fixed_in":["5.0.30-1+deb9u1build0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"passenger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.11"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"passenger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.30-1.1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"passenger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.30-1.1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"passenger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.30-1.1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"passenger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.30-1+deb9u1"}]}],"versions":["5.0.30-1"]},{"source":"osv","ecosystem":"RubyGems","package":"passenger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.11"}]}],"versions":["1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.1.2","2.1.3","2.2.0","2.2.1","2.2.10","2.2.11","2.2.12","2.2.13","2.2.14","2.2.15","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","3.0.0","3.0.0.pre1","3.0.0.pre2","3.0.0.pre3","3.0.0.pre4","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.17","3.0.18","3.0.19","3.0.2","3.0.21","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.9.1.beta","3.9.2.beta","4.0.0.rc4","4.0.0.rc6","4.0.1","4.0.10","4.0.13","4.0.14","4.0.16","4.0.17","4.0.18","4.0.19","4.0.2","4.0.20","4.0.21","4.0.23","4.0.24","4.0.25","4.0.26","4.0.27","4.0.28","4.0.29","4.0.3","4.0.30","4.0.31","4.0.32","4.0.33","4.0.34","4.0.35","4.0.36","4.0.37","4.0.38","4.0.39","4.0.4","4.0.40","4.0.41","4.0.42","4.0.43","4.0.44","4.0.45","4.0.46","4.0.48","4.0.49","4.0.5","4.0.50","4.0.51","4.0.52","4.0.53","4.0.55","4.0.56","4.0.57","4.0.58","4.0.59","4.0.6","4.0.60","4.0.7","4.0.8","5.0.0.beta1","5.0.0.beta2","5.0.0.beta3","5.0.0.rc1","5.0.0.rc2","5.0.1","5.0.10","5.0.11","5.0.13","5.0.14","5.0.15","5.0.16","5.0.17","5.0.18","5.0.19","5.0.2","5.0.20","5.0.21","5.0.22","5.0.23","5.0.24","5.0.25","5.0.26","5.0.27","5.0.28","5.0.29","5.0.3","5.0.30","5.0.4","5.0.5","5.0.6","5.0.7","5.0.8","5.0.9","5.1.0","5.1.1","5.1.10","5.1.2","5.1.3","5.1.4","5.1.5","5.1.6","5.1.7","5.1.8","5.1.9"]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Containers 12","package":"rubygem-passenger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.18-12.5.1"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"passenger","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"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"passenger","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"passenger","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"],"bundled":2}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"phusion","product":"passenger"}],"references":[{"url":"https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://www.debian.org/security/2019/dsa-4415","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://seclists.org/bugtraq/2019/Mar/34","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Issue Tracking","Mailing List","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16355","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2017-16355.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cv3f-px9r-54hm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-16355","tags":["advisory"]},{"url":"https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11","tags":["web"]},{"url":"https://github.com/phusion/passenger","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180262-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1068874","tags":["report"]},{"url":"https://bugzilla.suse.com/1073255","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-1000384","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16355","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-16355","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2017/11/21/2","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-16355","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5261-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-12029","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-16355","description":"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.","status":"published","published":"2017-12-14T22:00:00Z","modified":"2024-08-05T20:20:05.642Z","updated_at":"2026-11-02T14:33:21.453505Z"}],"euvd":[{"id":"EUVD-2022-3633","description":"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.","status":"published","published":"2017-12-14T22:00:00Z","modified":"2024-08-05T20:20:05Z","updated_at":"2026-11-03T02:23:12.944585Z"}],"ghsa":[{"id":"GHSA-cv3f-px9r-54hm","title":"Phusion Passenger information disclosure","description":"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.","status":"published","published":"2022-05-13T01:30:59Z","modified":"2023-01-27T05:02:20Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:36:17.742171Z"}],"nvd":[{"id":"CVE-2017-16355","description":"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.","status":"published","published":"2017-12-14T22:29:00.21Z","modified":"2026-06-17T01:09:14.073Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:10.156892Z"}],"osv":[{"id":"CVE-2017-16355","description":"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.","status":"published","published":"2017-12-14T22:29:00.21Z","modified":"2026-10-20T13:17:38.954545874Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:04.853379Z"},{"id":"DEBIAN-CVE-2017-16355","description":"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.","status":"published","published":"2017-12-14T22:29:00.21Z","modified":"2026-09-01T20:03:44.857273955Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:28.801885Z"},{"id":"GHSA-cv3f-px9r-54hm","title":"Phusion Passenger information disclosure","description":"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.","status":"published","published":"2022-05-13T01:30:59Z","modified":"2024-02-20T05:34:09.63018Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:45.639885Z"},{"id":"UBUNTU-CVE-2017-16355","description":"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.","status":"published","published":"2017-12-14T22:29:00Z","modified":"2026-02-04T04:30:04.006268Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:14.563448Z"},{"id":"DSA-4415-1","title":"passenger - security update","status":"published","published":"2019-03-24T00:00:00Z","modified":"2026-03-09T02:09:34.66382Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"SUSE-SU-2018:0262-1","title":"Security update for rubygem-passenger","description":"This update for rubygem-passenger fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-16355: When Passenger was running as root it was possible to list\n  the contents of arbitrary files on a system by symlinking a file named REVISION\n  from the application root folder to a file of choice and querying\n  passenger-status --show=xml (bsc#1073255).\n- CVE-2017-1000384: Introduces a new check that logs a vulnerability warning if Passenger is run\n  with root permissions while the directory permissions of (parts of) its root dir allow\n  modifications by non-root users (bsc#1068874).\n","status":"published","published":"2018-01-29T13:35:28Z","modified":"2026-02-04T04:18:38.986228Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"USN-5261-1","title":"passenger vulnerabilities","description":"It was discovered that Phusion Passenger incorrectly handled a file path in\nthe application root folder. An attacker could possibly use this issue to\nread arbitrary files. (CVE-2017-16355)\n\nIt was discovered that Phusion Passenger had a race condition in the nginx\nmodule that could be used to perform a symlink attack. An attacker could\npossibly use this issue to escalate privileges. (CVE-2018-12029)\n","status":"published","published":"2022-02-01T17:55:14Z","modified":"2026-06-25T13:30:14.480380703Z","updated_at":"2026-11-02T16:58:15.683829Z"}]}}