{"id":"CVE-2018-16878","aliases":["DEBIAN-CVE-2018-16878","DLA-2519-1","EUVD-2018-8668","GHSA-gw2c-9hqf-w753","MGASA-2019-0394","RHSA-2019:1278","RHSA-2019:1279","SUSE-SU-2019:1047-1","SUSE-SU-2019:1108-1","SUSE-SU-2019:1209-1","SUSE-SU-2019:2268-1","SUSE-SU-2020:1072-1","UBUNTU-CVE-2018-16878","USN-3952-1","openSUSE-SU-2019:1400-1"],"status":"published","title":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification...","description":"A flaw was found in pacemaker up to and including version 2.0.1. 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DoS","severity":{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00411,"percentile":0.35677,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2019-04-17T00:00:00Z","modified":"2026-10-23T18:03:20Z","fixes":[{"ecosystem":"Debian:12","package":"pacemaker","fixed_in":["2.0.1-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pacemaker","fixed_in":["2.0.1-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pacemaker","fixed_in":["2.0.1-3"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"pacemaker","fixed_in":["1.1.14-2ubuntu1.6"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"pacemaker","fixed_in":["1.1.18-0ubuntu1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pacemaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pacemaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pacemaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-3"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"pacemaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.24-0+deb9u1"}]}],"versions":["1.1.16-1","1.1.16-1+deb9u1","1.1.16-1+deb9u2","1.1.17-1","1.1.18-1","1.1.18-2","1.1.18~rc3-1","1.1.18~rc4-1","1.1.19-1","1.1.19-2"],"bundled":3},{"source":"osv","ecosystem":"Mageia:7","package":"pacemaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.19-2.1.mga7"}]}],"bundled":3},{"source":"osv","ecosystem":"Red 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flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS","status":"published","published":"2019-04-18T00:00:00Z","modified":"2024-08-05T10:32:54.24Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:11.072321Z"}],"euvd":[{"id":"EUVD-2018-8668","description":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS","status":"published","published":"2019-04-18T00:00:00Z","modified":"2024-08-05T10:32:54Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T02:39:40.316949Z"}],"ghsa":[{"id":"GHSA-gw2c-9hqf-w753","title":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification...","description":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS","status":"published","published":"2022-05-24T16:43:54Z","modified":"2023-10-08T05:04:30Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:54:47.501822Z"}],"nvd":[{"id":"CVE-2018-16878","description":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS","status":"published","published":"2019-04-18T18:29:00.39Z","modified":"2026-06-17T01:44:58.64Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:04:55.136632Z"}],"osv":[{"id":"CVE-2018-16878","description":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS","status":"published","published":"2019-04-18T18:29:00.39Z","modified":"2026-10-20T10:49:52.375197006Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:08.533609Z"},{"id":"DEBIAN-CVE-2018-16878","description":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS","status":"published","published":"2019-04-18T18:29:00.39Z","modified":"2026-10-23T18:03:20.008343854Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"RHSA-2019:1278","title":"Red Hat Security Advisory: pacemaker security update","status":"published","published":"2024-09-16T02:21:10Z","modified":"2025-11-22T11:42:50Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"RHSA-2019:1279","title":"Red Hat Security Advisory: pacemaker security and bug fix update","status":"published","published":"2024-09-16T02:21:03Z","modified":"2026-06-26T12:22:03.297761225Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"UBUNTU-CVE-2018-16878","description":"A flaw was found in pacemaker up to and including version 2.0.1. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS","status":"published","published":"2019-04-17T00:00:00Z","modified":"2026-04-22T11:47:08.825737Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.496046Z"},{"id":"DLA-2519-1","title":"pacemaker - security update","status":"published","published":"2021-01-06T00:00:00Z","modified":"2026-03-09T01:22:11.048492Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"MGASA-2019-0394","title":"Updated pacemaker packages fix security vulnerabilities","description":"The updated packages fix security vulnerabilities:\n\nA use-after-free flaw was found in pacemaker up to and including version\n2.0.1 which could result in certain sensitive information to be leaked\nvia the system logs. (CVE-2019-3885)\n\nA flaw was found in the way pacemaker's client-server authentication was\nimplemented in versions up to and including 2.0.0. A local attacker could\nuse this flaw, and combine it with other IPC weaknesses, to achieve local\nprivilege escalation. (CVE-2018-16877)\n\nA flaw was found in pacemaker up to and including version 2.0.1. An\ninsufficient verification inflicted preference of uncontrolled processes\ncan lead to DoS. (CVE-2018-16878)\n","status":"published","published":"2019-12-19T13:44:26Z","modified":"2026-04-16T04:43:49.829336334Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2019:1400-1","title":"Security update for pacemaker","description":"This update for pacemaker fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-3885: Fixed an information disclosure in log output. (bsc#1131357)\n- CVE-2018-16877: Fixed a local privilege escalation through insufficient IPC client-server authentication. (bsc#1131356)\n- CVE-2018-16878: Fixed a denial of service through insufficient verification inflicted preference of uncontrolled processes. (bsc#1131353)\n\nNon-security issue fixed:\n\n- crmd: delete resource from lrmd when appropriate to avoid timeouts with crmsh (bsc#1117381).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-05-15T14:47:48Z","modified":"2026-02-04T04:18:56.573365Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"SUSE-SU-2019:1047-1","title":"Security update for pacemaker","description":"This update for pacemaker fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-3885: Fixed an information disclosure in log output. (bsc#1131357)\n- CVE-2018-16877: Fixed a local privilege escalation through insufficient IPC client-server authentication. (bsc#1131356)\n- CVE-2018-16878: Fixed a denial of service through insufficient verification inflicted preference of uncontrolled processes. (bsc#1131353)\n\nNon-security issue fixed:\n\n- scheduler: Respect the order of constraints when relevant resources are being probed. (bsc#1117934, bsc#1128374)\n","status":"published","published":"2019-04-26T09:09:12Z","modified":"2026-02-04T02:21:01.431509Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:1108-1","title":"Security update for pacemaker","description":"This update for pacemaker fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-16877: Fixed a local privilege escalation through insufficient IPC client-server authentication. (bsc#1131356)\n- CVE-2018-16878: Fixed a denial of service through insufficient verification inflicted preference of uncontrolled processes. (bsc#1131353)\n","status":"published","published":"2019-04-30T10:57:38Z","modified":"2025-05-02T04:07:57.901589Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:1209-1","title":"Security update for pacemaker","description":"This update for pacemaker fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-3885: Fixed an information disclosure in log output. (bsc#1131357)\n- CVE-2018-16877: Fixed a local privilege escalation through insufficient IPC client-server authentication. (bsc#1131356)\n- CVE-2018-16878: Fixed a denial of service through insufficient verification inflicted preference of uncontrolled processes. (bsc#1131353)\n\nNon-security issue fixed:\n\n- crmd: delete resource from lrmd when appropriate to avoid timeouts with crmsh (bsc#1117381).\n","status":"published","published":"2019-05-10T12:05:03Z","modified":"2026-02-04T02:52:59.492519Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:2268-1","title":"Security update for pacemaker","description":"This update for pacemaker fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-16877: Fixed insufficient local IPC client-server authentication on the client's side. (bsc#1131356)\n- CVE-2018-16878: Fixed insufficient verification inflicted preference of uncontrolled processes (bsc#1131353)\n\nOther issues fixed:\n\n- stonith_admin --help: specify the usage of --cleanup (bsc#1135317)\n- scheduler: wait for probe actions to complete to prevent unnecessary restart/re-promote of dependent resources (bsc#1130122, bsc#1032511)\n- controller: confirm cancel of failed monitors (bsc#1133866)\n- controller: improve failed recurring action messages (bsc#1133866)\n- controller: directly acknowledge unrecordable operation results (bsc#1133866)\n- controller: be more tolerant of malformed executor events (bsc#1133866)\n- libcrmcommon: return error when applying XML diffs containing unknown operations (bsc#1127716)\n- libcrmcommon: avoid possible use-of-NULL when applying XML diffs (bsc#1127716)\n- libcrmcommon: correctly apply XML diffs with multiple move/create changes (bsc#1127716)\n- libcrmcommon: return proper code if testing pid is denied (bsc#1131353, bsc#1131356)\n- libcrmcommon: avoid use-of-NULL when checking whether process is active (bsc#1131353, bsc#1131356)\n- tools: run main loop for crm_resource clean-up with resource (bsc#1140519)\n- contoller,scheduler: guard hash table deletes (bsc#1136712)\n","status":"published","published":"2019-09-02T12:23:04Z","modified":"2026-02-04T03:37:25.33733Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"SUSE-SU-2020:1072-1","title":"Security update for pacemaker","description":"This update for pacemaker fixes the following issues:\n\n- CVE-2018-16877: Fixed an issue with insufficient local IPC client-server authentication on the client's side (bsc#1131356).\n- CVE-2018-16878: Fixed a denial of service related to insufficient verification of uncontrolled processes (bsc#1131353).\n","status":"published","published":"2020-04-22T17:37:02Z","modified":"2026-02-04T03:17:24.026193Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"USN-3952-1","title":"pacemaker vulnerabilities","description":"Jan Pokorný discovered that Pacemaker incorrectly handled client-server\nauthentication. A local attacker could possibly use this issue to escalate\nprivileges. (CVE-2018-16877)\n\nJan Pokorný discovered that Pacemaker incorrectly handled certain\nverifications. A local attacker could possibly use this issue to cause a\ndenial of service. (CVE-2018-16878)\n\nJan Pokorný discovered that Pacemaker incorrectly handled certain memory\noperations. A local attacker could possibly use this issue to obtain\nsensitive information in log outputs. This issue only applied to Ubuntu\n18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04. (CVE-2019-3885)\n","status":"published","published":"2019-04-23T11:54:42Z","modified":"2026-04-22T09:55:57.45718Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}