{"id":"USN-4623-1","summary":"pacemaker vulnerability","details":"Ken Gaillot discovered that Pacemaker incorrectly handled IPC\ncommunications permissions. A local attacker could possibly use this issue\nto bypass ACL restrictions and execute arbitrary code as root.\n","modified":"2026-04-22T10:20:01.306021Z","published":"2020-11-09T12:01:58Z","related":["UBUNTU-CVE-2020-25654"],"upstream":["CVE-2020-25654","UBUNTU-CVE-2020-25654"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4623-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25654"}],"affected":[{"package":{"name":"pacemaker","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pacemaker@1.1.14-2ubuntu1.9?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.14-2ubuntu1.9"}]}],"versions":["1.1.12-0ubuntu2","1.1.12-0ubuntu3","1.1.14~rc4-2ubuntu1","1.1.14-1ubuntu1","1.1.14-1ubuntu2","1.1.14-2ubuntu1","1.1.14-2ubuntu1.1","1.1.14-2ubuntu1.2","1.1.14-2ubuntu1.3","1.1.14-2ubuntu1.4","1.1.14-2ubuntu1.5","1.1.14-2ubuntu1.6","1.1.14-2ubuntu1.7","1.1.14-2ubuntu1.8"],"ecosystem_specific":{"binaries":[{"binary_name":"libcib4","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libcrmcluster4","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libcrmcommon3","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libcrmservice3","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"liblrmd1","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libpe-rules2","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libpe-status10","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libpengine10","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libstonithd2","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"libtransitioner2","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"pacemaker","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"pacemaker-cli-utils","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"pacemaker-common","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"pacemaker-remote","binary_version":"1.1.14-2ubuntu1.9"},{"binary_name":"pacemaker-resource-agents","binary_version":"1.1.14-2ubuntu1.9"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4623-1.json","cves_map":{"cves":[{"id":"CVE-2020-25654","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"pacemaker","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/pacemaker@1.1.18-0ubuntu1.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.18-0ubuntu1.3"}]}],"versions":["1.1.16-1ubuntu1","1.1.18~rc3-1ubuntu1","1.1.18~rc4-1ubuntu1","1.1.18-0ubuntu1","1.1.18-0ubuntu1.1","1.1.18-0ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libcib4","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libcrmcluster4","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libcrmcommon3","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libcrmservice3","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"liblrmd1","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libpe-rules2","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libpe-status10","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libpengine10","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libstonithd2","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"libtransitioner2","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"pacemaker","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"pacemaker-cli-utils","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"pacemaker-common","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"pacemaker-remote","binary_version":"1.1.18-0ubuntu1.3"},{"binary_name":"pacemaker-resource-agents","binary_version":"1.1.18-0ubuntu1.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4623-1.json","cves_map":{"cves":[{"id":"CVE-2020-25654","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"pacemaker","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pacemaker@2.0.3-3ubuntu4.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-3ubuntu4.1"}]}],"versions":["2.0.1-4ubuntu2","2.0.1-5ubuntu1","2.0.1-5ubuntu5","2.0.3-3ubuntu1","2.0.3-3ubuntu3","2.0.3-3ubuntu4"],"ecosystem_specific":{"binaries":[{"binary_name":"libcib27","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"libcrmcluster29","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"libcrmcommon34","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"libcrmservice28","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"liblrmd28","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"libpacemaker1","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"libpe-rules26","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"libpe-status28","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"libstonithd26","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"pacemaker","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"pacemaker-cli-utils","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"pacemaker-common","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"pacemaker-remote","binary_version":"2.0.3-3ubuntu4.1"},{"binary_name":"pacemaker-resource-agents","binary_version":"2.0.3-3ubuntu4.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4623-1.json","cves_map":{"cves":[{"id":"CVE-2020-25654","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.5"}