{"id":"USN-4684-1","summary":"edk2 vulnerabilities","details":"Laszlo Ersek discovered that EDK II incorrectly validated certain signed\nimages. An attacker could possibly use this issue with a specially crafted\nimage to cause EDK II to hang, resulting in a denial of service. This issue\nonly affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.\n(CVE-2019-14562)\n\nIt was discovered that EDK II incorrectly parsed signed PKCS #7 data. An\nattacker could use this issue to cause EDK II to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2019-14584)\n","modified":"2026-02-10T04:42:01Z","published":"2021-01-07T13:51:25Z","related":["UBUNTU-CVE-2019-14562","UBUNTU-CVE-2019-14584"],"upstream":["CVE-2019-14562","CVE-2019-14584","UBUNTU-CVE-2019-14562","UBUNTU-CVE-2019-14584"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4684-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-14562"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-14584"}],"affected":[{"package":{"name":"edk2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/edk2@0~20160408.ffea0a2c-2ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20160408.ffea0a2c-2ubuntu0.2"}]}],"versions":["0~20150106.5c2d456b-2","0~20160104.c2a892d7-1","0~20160408.ffea0a2c-2","0~20160408.ffea0a2c-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0~20160408.ffea0a2c-2ubuntu0.2","binary_name":"ovmf"},{"binary_version":"0~20160408.ffea0a2c-2ubuntu0.2","binary_name":"qemu-efi"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4684-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2019-14562","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":"low","type":"Ubuntu"}]},{"id":"CVE-2019-14584","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":"low","type":"Ubuntu"}]}]}}},{"package":{"name":"edk2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/edk2@0~20180205.c0d9813c-2ubuntu0.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20180205.c0d9813c-2ubuntu0.3"}]}],"versions":["0~20170911.5dfba97c-1","0~20171010.234dbcef-1","0~20171027.76fd5a66-1","0~20171205.a9212288-1","0~20180105.0bc94c74-1","0~20180205.c0d9813c-1","0~20180205.c0d9813c-2","0~20180205.c0d9813c-2ubuntu0.1","0~20180205.c0d9813c-2ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_version":"0~20180205.c0d9813c-2ubuntu0.3","binary_name":"ovmf"},{"binary_version":"0~20180205.c0d9813c-2ubuntu0.3","binary_name":"qemu-efi"},{"binary_version":"0~20180205.c0d9813c-2ubuntu0.3","binary_name":"qemu-efi-aarch64"},{"binary_version":"0~20180205.c0d9813c-2ubuntu0.3","binary_name":"qemu-efi-arm"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4684-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2019-14562","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":"low","type":"Ubuntu"}]},{"id":"CVE-2019-14584","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":"low","type":"Ubuntu"}]}]}}},{"package":{"name":"edk2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/edk2@0~20191122.bd85bf54-2ubuntu3.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20191122.bd85bf54-2ubuntu3.1"}]}],"versions":["0~20190606.20d2e5a1-2ubuntu1","0~20190828.37eef910-3","0~20190828.37eef910-4","0~20191122.bd85bf54-1","0~20191122.bd85bf54-1ubuntu1","0~20191122.bd85bf54-2","0~20191122.bd85bf54-2ubuntu1","0~20191122.bd85bf54-2ubuntu2","0~20191122.bd85bf54-2ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_version":"0~20191122.bd85bf54-2ubuntu3.1","binary_name":"ovmf"},{"binary_version":"0~20191122.bd85bf54-2ubuntu3.1","binary_name":"qemu-efi"},{"binary_version":"0~20191122.bd85bf54-2ubuntu3.1","binary_name":"qemu-efi-aarch64"},{"binary_version":"0~20191122.bd85bf54-2ubuntu3.1","binary_name":"qemu-efi-arm"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4684-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2019-14562","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":"low","type":"Ubuntu"}]},{"id":"CVE-2019-14584","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":"low","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.3"}