{"id":"UBUNTU-CVE-2021-45417","details":"AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.","modified":"2026-01-30T01:38:39.782525Z","published":"2022-01-20T14:00:00Z","related":["USN-5243-1","USN-5243-2"],"upstream":["CVE-2021-45417"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-45417"},{"type":"REPORT","url":"http://www.ipi.fi/pipermail/aide/2022-January/001714.html"},{"type":"REPORT","url":"http://www.ipi.fi/pipermail/aide/2022-January/001713.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5243-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5243-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-45417"}],"affected":[{"package":{"name":"aide","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/aide@0.16~a2.git20130520-2ubuntu0.1+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.16~a2.git20130520-2ubuntu0.1+esm1"}]}],"versions":["0.15.1-8ubuntu2","0.16~a2.git20130520-2","0.16~a2.git20130520-2ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"aide","binary_version":"0.16~a2.git20130520-2ubuntu0.1+esm1"},{"binary_version":"0.16~a2.git20130520-2ubuntu0.1+esm1","binary_name":"aide-common"},{"binary_version":"0.16~a2.git20130520-2ubuntu0.1+esm1","binary_name":"aide-dynamic"},{"binary_name":"aide-xen","binary_version":"0.16~a2.git20130520-2ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45417.json"}},{"package":{"name":"aide","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/aide@0.16~a2.git20130520-3ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.16~a2.git20130520-3ubuntu0.1~esm1"}]}],"versions":["0.16~a2.git20130520-3"],"ecosystem_specific":{"binaries":[{"binary_name":"aide","binary_version":"0.16~a2.git20130520-3ubuntu0.1~esm1"},{"binary_name":"aide-common","binary_version":"0.16~a2.git20130520-3ubuntu0.1~esm1"},{"binary_name":"aide-dynamic","binary_version":"0.16~a2.git20130520-3ubuntu0.1~esm1"},{"binary_name":"aide-xen","binary_version":"0.16~a2.git20130520-3ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45417.json"}},{"package":{"name":"aide","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/aide@0.16-3ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.16-3ubuntu0.1"}]}],"versions":["0.16-1","0.16-2","0.16-3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"aide","binary_version":"0.16-3ubuntu0.1"},{"binary_name":"aide-common","binary_version":"0.16-3ubuntu0.1"},{"binary_name":"aide-dynamic","binary_version":"0.16-3ubuntu0.1"},{"binary_name":"aide-xen","binary_version":"0.16-3ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45417.json"}},{"package":{"name":"aide","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/aide@0.16.1-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.16.1-1ubuntu0.1"}]}],"versions":["0.16.1-1build2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"aide","binary_version":"0.16.1-1ubuntu0.1"},{"binary_name":"aide-common","binary_version":"0.16.1-1ubuntu0.1"},{"binary_name":"aide-dynamic","binary_version":"0.16.1-1ubuntu0.1"},{"binary_name":"aide-xen","binary_version":"0.16.1-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45417.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}