{"id":"USN-4315-1","summary":"apport vulnerabilities","details":"Maximilien Bourgeteau discovered that the Apport lock file was created with\ninsecure permissions. This could allow a local attacker to escalate their\nprivileges via a symlink attack. (CVE-2020-8831)\n\nMaximilien Bourgeteau discovered a race condition in Apport when setting\ncrash report permissions. This could allow a local attacker to read\narbitrary files via a symlink attack.  (CVE-2020-8833)\n","modified":"2026-02-10T04:41:48Z","published":"2020-04-02T00:55:53Z","related":["UBUNTU-CVE-2020-8831","UBUNTU-CVE-2020-8833"],"upstream":["CVE-2020-8831","CVE-2020-8833","UBUNTU-CVE-2020-8831","UBUNTU-CVE-2020-8833"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4315-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8831"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8833"}],"affected":[{"package":{"name":"apport","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/apport@2.20.1-0ubuntu2.23?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.1-0ubuntu2.23"}]}],"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"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_name":"apport","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"apport-gtk","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"apport-kde","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"apport-noui","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"apport-retrace","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"apport-valgrind","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"dh-apport","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"python-apport","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"python-problem-report","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"python3-apport","binary_version":"2.20.1-0ubuntu2.23"},{"binary_name":"python3-problem-report","binary_version":"2.20.1-0ubuntu2.23"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4315-1.json","cves_map":{"cves":[{"id":"CVE-2020-8831","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2020-8833","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"apport","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apport@2.20.9-0ubuntu7.14?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.9-0ubuntu7.14"}]}],"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"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_name":"apport","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"apport-gtk","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"apport-kde","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"apport-noui","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"apport-retrace","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"apport-valgrind","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"dh-apport","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"python-apport","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"python-problem-report","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"python3-apport","binary_version":"2.20.9-0ubuntu7.14"},{"binary_name":"python3-problem-report","binary_version":"2.20.9-0ubuntu7.14"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4315-1.json","cves_map":{"cves":[{"id":"CVE-2020-8831","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2020-8833","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.3"}