{"id":"USN-4538-1","summary":"packagekit vulnerabilities","details":"Vaisha Bernard discovered that PackageKit incorrectly handled certain\nmethods. A local attacker could use this issue to learn the MIME type of\nany file on the system. (CVE-2020-16121)\n\nSami Niemimäki discovered that PackageKit incorrectly handled local deb\npackages. A local user could possibly use this issue to install untrusted\npackages, contrary to expectations. (CVE-2020-16122)\n","modified":"2026-02-10T04:41:56Z","published":"2020-09-24T13:03:59Z","related":["UBUNTU-CVE-2020-16121","UBUNTU-CVE-2020-16122"],"upstream":["CVE-2020-16121","CVE-2020-16122","UBUNTU-CVE-2020-16121","UBUNTU-CVE-2020-16122"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4538-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-16121"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-16122"}],"affected":[{"package":{"name":"packagekit","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/packagekit@0.8.17-4ubuntu6~gcc5.4ubuntu1.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5"}]}],"versions":["0.8.17-4ubuntu6~gcc5.3","0.8.17-4ubuntu6~gcc5.4ubuntu1","0.8.17-4ubuntu6~gcc5.4ubuntu1.1","0.8.17-4ubuntu6~gcc5.4ubuntu1.2","0.8.17-4ubuntu6~gcc5.4ubuntu1.3","0.8.17-4ubuntu6~gcc5.4ubuntu1.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"gir1.2-packagekitglib-1.0"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"gstreamer1.0-packagekit"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"libpackagekit-glib2-16"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"libpackagekit-glib2-dev"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"packagekit"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"packagekit-backend-aptcc"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"packagekit-backend-smart"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"packagekit-docs"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"packagekit-gtk3-module"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"packagekit-tools"},{"binary_version":"0.8.17-4ubuntu6~gcc5.4ubuntu1.5","binary_name":"python3-packagekit"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4538-1.json","cves_map":{"cves":[{"id":"CVE-2020-16121","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2020-16122","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:R/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"packagekit","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/packagekit@1.1.9-1ubuntu2.18.04.6?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.9-1ubuntu2.18.04.6"}]}],"versions":["1.1.7-1","1.1.9-1","1.1.9-1ubuntu1","1.1.9-1ubuntu2","1.1.9-1ubuntu2.18.04.1","1.1.9-1ubuntu2.18.04.3","1.1.9-1ubuntu2.18.04.4","1.1.9-1ubuntu2.18.04.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"gir1.2-packagekitglib-1.0"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"gstreamer1.0-packagekit"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"libpackagekit-glib2-18"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"libpackagekit-glib2-dev"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"packagekit"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"packagekit-command-not-found"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"packagekit-docs"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"packagekit-gtk3-module"},{"binary_version":"1.1.9-1ubuntu2.18.04.6","binary_name":"packagekit-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4538-1.json","cves_map":{"cves":[{"id":"CVE-2020-16121","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2020-16122","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:R/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"packagekit","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/packagekit@1.1.13-2ubuntu1.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.13-2ubuntu1.1"}]}],"versions":["1.1.12-5ubuntu4","1.1.13-1","1.1.13-2","1.1.13-2build1","1.1.13-2ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"gir1.2-packagekitglib-1.0"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"gstreamer1.0-packagekit"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"libpackagekit-glib2-18"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"libpackagekit-glib2-dev"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"packagekit"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"packagekit-command-not-found"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"packagekit-docs"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"packagekit-gtk3-module"},{"binary_version":"1.1.13-2ubuntu1.1","binary_name":"packagekit-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4538-1.json","cves_map":{"cves":[{"id":"CVE-2020-16121","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2020-16122","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:R/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}