{"id":"USN-4720-1","summary":"apport vulnerabilities","details":"Itai Greenhut discovered that Apport incorrectly parsed certain files in\nthe /proc filesystem. A local attacker could use this issue to escalate\nprivileges and run arbitrary code. (CVE-2021-25682, CVE-2021-25683)\n\nItai Greenhut discovered that Apport incorrectly handled opening certain\nspecial files. A local attacker could possibly use this issue to cause\nApport to hang, resulting in a denial of service. (CVE-2021-25684)\n","modified":"2026-02-10T04:42:02Z","published":"2021-02-02T18:06:56Z","related":["UBUNTU-CVE-2021-25682","UBUNTU-CVE-2021-25683","UBUNTU-CVE-2021-25684"],"upstream":["CVE-2021-25682","CVE-2021-25683","CVE-2021-25684","UBUNTU-CVE-2021-25682","UBUNTU-CVE-2021-25683","UBUNTU-CVE-2021-25684"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4720-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-25682"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-25683"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-25684"}],"affected":[{"package":{"name":"apport","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/apport@2.20.1-0ubuntu2.30?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.1-0ubuntu2.30"}]}],"versions":["2.19.1-0ubuntu3","2.19.2-0ubuntu1","2.19.2-0ubuntu2","2.19.2-0ubuntu3","2.19.2-0ubuntu4","2.19.2-0ubuntu5","2.19.2-0ubuntu6","2.19.2-0ubuntu8","2.19.2-0ubuntu9","2.19.3-0ubuntu1","2.19.3-0ubuntu2","2.19.3-0ubuntu3","2.19.4-0ubuntu1","2.19.4-0ubuntu2","2.20-0ubuntu2","2.20-0ubuntu3","2.20.1-0ubuntu1","2.20.1-0ubuntu2","2.20.1-0ubuntu2.1","2.20.1-0ubuntu2.2","2.20.1-0ubuntu2.4","2.20.1-0ubuntu2.5","2.20.1-0ubuntu2.6","2.20.1-0ubuntu2.9","2.20.1-0ubuntu2.10","2.20.1-0ubuntu2.12","2.20.1-0ubuntu2.13","2.20.1-0ubuntu2.14","2.20.1-0ubuntu2.15","2.20.1-0ubuntu2.16","2.20.1-0ubuntu2.17","2.20.1-0ubuntu2.18","2.20.1-0ubuntu2.19","2.20.1-0ubuntu2.20","2.20.1-0ubuntu2.21","2.20.1-0ubuntu2.22","2.20.1-0ubuntu2.23","2.20.1-0ubuntu2.24","2.20.1-0ubuntu2.25","2.20.1-0ubuntu2.26","2.20.1-0ubuntu2.27","2.20.1-0ubuntu2.28"],"ecosystem_specific":{"binaries":[{"binary_name":"apport","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"apport-gtk","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"apport-kde","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"apport-noui","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"apport-retrace","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"apport-valgrind","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"dh-apport","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"python-apport","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"python-problem-report","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"python3-apport","binary_version":"2.20.1-0ubuntu2.30"},{"binary_name":"python3-problem-report","binary_version":"2.20.1-0ubuntu2.30"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25682"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25683"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25684"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4720-1.json"}},{"package":{"name":"apport","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apport@2.20.9-0ubuntu7.23?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.9-0ubuntu7.23"}]}],"versions":["2.20.7-0ubuntu3","2.20.7-0ubuntu3.1","2.20.7-0ubuntu4","2.20.8-0ubuntu1","2.20.8-0ubuntu2","2.20.8-0ubuntu3","2.20.8-0ubuntu4","2.20.8-0ubuntu5","2.20.8-0ubuntu6","2.20.8-0ubuntu7","2.20.8-0ubuntu8","2.20.8-0ubuntu9","2.20.8-0ubuntu10","2.20.9-0ubuntu1","2.20.9-0ubuntu2","2.20.9-0ubuntu4","2.20.9-0ubuntu5","2.20.9-0ubuntu6","2.20.9-0ubuntu7","2.20.9-0ubuntu7.1","2.20.9-0ubuntu7.2","2.20.9-0ubuntu7.3","2.20.9-0ubuntu7.4","2.20.9-0ubuntu7.5","2.20.9-0ubuntu7.6","2.20.9-0ubuntu7.7","2.20.9-0ubuntu7.8","2.20.9-0ubuntu7.9","2.20.9-0ubuntu7.11","2.20.9-0ubuntu7.12","2.20.9-0ubuntu7.13","2.20.9-0ubuntu7.14","2.20.9-0ubuntu7.15","2.20.9-0ubuntu7.16","2.20.9-0ubuntu7.17","2.20.9-0ubuntu7.18","2.20.9-0ubuntu7.19","2.20.9-0ubuntu7.20","2.20.9-0ubuntu7.21"],"ecosystem_specific":{"binaries":[{"binary_name":"apport","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"apport-gtk","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"apport-kde","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"apport-noui","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"apport-retrace","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"apport-valgrind","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"dh-apport","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"python-apport","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"python-problem-report","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"python3-apport","binary_version":"2.20.9-0ubuntu7.23"},{"binary_name":"python3-problem-report","binary_version":"2.20.9-0ubuntu7.23"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25682"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25683"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25684"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4720-1.json"}},{"package":{"name":"apport","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apport@2.20.11-0ubuntu27.16?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.11-0ubuntu27.16"}]}],"versions":["2.20.11-0ubuntu8","2.20.11-0ubuntu9","2.20.11-0ubuntu13","2.20.11-0ubuntu14","2.20.11-0ubuntu15","2.20.11-0ubuntu16","2.20.11-0ubuntu17","2.20.11-0ubuntu18","2.20.11-0ubuntu19","2.20.11-0ubuntu20","2.20.11-0ubuntu21","2.20.11-0ubuntu22","2.20.11-0ubuntu24","2.20.11-0ubuntu25","2.20.11-0ubuntu26","2.20.11-0ubuntu27","2.20.11-0ubuntu27.2","2.20.11-0ubuntu27.3","2.20.11-0ubuntu27.4","2.20.11-0ubuntu27.6","2.20.11-0ubuntu27.8","2.20.11-0ubuntu27.9","2.20.11-0ubuntu27.10","2.20.11-0ubuntu27.11","2.20.11-0ubuntu27.12","2.20.11-0ubuntu27.13","2.20.11-0ubuntu27.14"],"ecosystem_specific":{"binaries":[{"binary_name":"apport","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"apport-gtk","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"apport-kde","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"apport-noui","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"apport-retrace","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"apport-valgrind","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"dh-apport","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"python3-apport","binary_version":"2.20.11-0ubuntu27.16"},{"binary_name":"python3-problem-report","binary_version":"2.20.11-0ubuntu27.16"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25682"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25683"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-25684"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4720-1.json"}}],"schema_version":"1.7.3"}