{"id":"USN-4616-1","summary":"accountsservice vulnerabilities","details":"Kevin Backhouse discovered that AccountsService incorrectly dropped\nprivileges. A local user could possibly use this issue to cause\nAccountsService to crash or hang, resulting in a denial of service.\n(CVE-2020-16126)\n\nKevin Backhouse discovered that AccountsService incorrectly handled reading\n.pam_environment files. A local user could possibly use this issue to cause\nAccountsService to crash or hang, resulting in a denial of service. This\nissue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2020-16127)\n\nMatthias Gerstner discovered that AccountsService incorrectly handled\ncertain path checks. A local attacker could possibly use this issue to\nread arbitrary files. This issue only affected Ubuntu 16.04 LTS and Ubuntu\n18.04 LTS. (CVE-2018-14036)\n","modified":"2026-02-10T04:41:58Z","published":"2020-11-03T15:16:30Z","related":["UBUNTU-CVE-2018-14036","UBUNTU-CVE-2020-16126","UBUNTU-CVE-2020-16127"],"upstream":["CVE-2018-14036","CVE-2020-16126","CVE-2020-16127","UBUNTU-CVE-2018-14036","UBUNTU-CVE-2020-16126","UBUNTU-CVE-2020-16127"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4616-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14036"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-16126"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-16127"}],"affected":[{"package":{"name":"accountsservice","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/accountsservice@0.6.40-2ubuntu11.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.40-2ubuntu11.6"}]}],"versions":["0.6.40-2ubuntu5","0.6.40-2ubuntu6","0.6.40-2ubuntu7","0.6.40-2ubuntu8","0.6.40-2ubuntu9","0.6.40-2ubuntu10","0.6.40-2ubuntu11","0.6.40-2ubuntu11.1","0.6.40-2ubuntu11.2","0.6.40-2ubuntu11.3"],"ecosystem_specific":{"binaries":[{"binary_name":"accountsservice","binary_version":"0.6.40-2ubuntu11.6"},{"binary_name":"gir1.2-accountsservice-1.0","binary_version":"0.6.40-2ubuntu11.6"},{"binary_name":"libaccountsservice-dev","binary_version":"0.6.40-2ubuntu11.6"},{"binary_name":"libaccountsservice0","binary_version":"0.6.40-2ubuntu11.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4616-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2018-14036"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-16126"}]}}},{"package":{"name":"accountsservice","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/accountsservice@0.6.45-1ubuntu1.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.45-1ubuntu1.3"}]}],"versions":["0.6.42-0ubuntu3","0.6.42-0ubuntu4","0.6.45-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"accountsservice","binary_version":"0.6.45-1ubuntu1.3"},{"binary_name":"gir1.2-accountsservice-1.0","binary_version":"0.6.45-1ubuntu1.3"},{"binary_name":"libaccountsservice-dev","binary_version":"0.6.45-1ubuntu1.3"},{"binary_name":"libaccountsservice0","binary_version":"0.6.45-1ubuntu1.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4616-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2018-14036"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-16126"}]}}},{"package":{"name":"accountsservice","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/accountsservice@0.6.55-0ubuntu12~20.04.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.55-0ubuntu12~20.04.4"}]}],"versions":["0.6.55-0ubuntu10","0.6.55-0ubuntu11","0.6.55-0ubuntu12~20.04.1","0.6.55-0ubuntu12~20.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"accountsservice","binary_version":"0.6.55-0ubuntu12~20.04.4"},{"binary_name":"gir1.2-accountsservice-1.0","binary_version":"0.6.55-0ubuntu12~20.04.4"},{"binary_name":"libaccountsservice-dev","binary_version":"0.6.55-0ubuntu12~20.04.4"},{"binary_name":"libaccountsservice0","binary_version":"0.6.55-0ubuntu12~20.04.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4616-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-16126"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-16127"}]}}}],"schema_version":"1.7.3"}