{"id":"CVE-2017-7572","aliases":["DEBIAN-CVE-2017-7572","EUVD-2017-16577","GHSA-gq8h-7hr7-25cg","UBUNTU-CVE-2017-7572","openSUSE-SU-2024:10647-1"],"status":"published","title":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18...","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01083,"percentile":0.65424,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-362"],"published":"2017-04-06T18:00:00Z","modified":"2026-10-20T10:50:09Z","fixes":[{"ecosystem":"Debian:12","package":"backintime","fixed_in":["1.1.12-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"backintime","fixed_in":["1.1.12-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"backintime","fixed_in":["1.1.12-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"backintime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.12-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"backintime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.12-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"backintime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.12-2"}]}]}],"products":[{"vendor":"backintime_project","product":"backintime"}],"references":[{"url":"https://github.com/bit-team/backintime/commit/7f208dc547f569b689c888103e3b593a48cd1869","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7572"},{"url":"https://github.com/advisories/GHSA-gq8h-7hr7-25cg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-7572","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-7572","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-7572","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7572","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2017-7572","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","status":"published","published":"2017-04-06T18:00:00Z","modified":"2024-09-16T16:32:59.625Z","updated_at":"2026-11-02T14:33:20.488433Z"}],"euvd":[{"id":"EUVD-2017-16577","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","status":"published","published":"2017-04-06T18:00:00Z","modified":"2024-09-16T16:32:59Z","updated_at":"2026-11-03T00:55:50.59293Z"}],"ghsa":[{"id":"GHSA-gq8h-7hr7-25cg","title":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18...","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","status":"published","published":"2022-05-17T02:50:37Z","modified":"2023-01-27T05:06:15Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:42:52.308172Z"}],"nvd":[{"id":"CVE-2017-7572","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","status":"published","published":"2017-04-06T18:59:00.353Z","modified":"2026-06-17T01:24:39.583Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:03:44.86906Z"}],"osv":[{"id":"CVE-2017-7572","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","status":"published","published":"2017-04-06T18:59:00.353Z","modified":"2026-10-20T10:50:09.686035217Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.412595Z"},{"id":"DEBIAN-CVE-2017-7572","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","status":"published","published":"2017-04-06T18:59:00.353Z","modified":"2026-09-01T20:03:50.125770327Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.412243Z"},{"id":"UBUNTU-CVE-2017-7572","description":"The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/\u003cpid\u003e/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.","status":"withdrawn","published":"2017-04-06T18:59:00Z","modified":"2025-07-16T07:37:11.281587Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:15.773974Z"},{"id":"openSUSE-SU-2024:10647-1","title":"backintime-1.3.1-1.2 on GA media","description":"These are all security issues fixed in the backintime-1.3.1-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:31:05.087431Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}