{"id":"USN-2836-1","summary":"grub2 vulnerability","details":"Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled\nthe backspace key when configured to use authentication. A local attacker\ncould use this issue to bypass GRUB password protection.\n","modified":"2026-02-10T04:40:56Z","published":"2015-12-15T19:23:48Z","related":["UBUNTU-CVE-2015-8370"],"upstream":["CVE-2015-8370","UBUNTU-CVE-2015-8370"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2836-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8370"}],"affected":[{"package":{"name":"grub2","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/grub2@2.02~beta2-9ubuntu1.6?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.02~beta2-9ubuntu1.6"}]}],"versions":["2.00-19ubuntu2","2.00-19ubuntu3","2.00-19ubuntu4","2.00-20","2.00-21","2.00-22","2.02~beta2-5","2.02~beta2-6","2.02~beta2-7","2.02~beta2-8","2.02~beta2-9","2.02~beta2-9ubuntu1","2.02~beta2-9ubuntu1.1","2.02~beta2-9ubuntu1.2","2.02~beta2-9ubuntu1.3","2.02~beta2-9ubuntu1.4","2.02~beta2-9ubuntu1.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"grub-common","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-coreboot","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-coreboot-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-efi","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-efi-amd64","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_version":"2.02~beta2-9ubuntu1.6","binary_name":"grub-efi-amd64-bin"},{"binary_name":"grub-efi-arm","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-efi-arm-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-efi-arm64","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-efi-arm64-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-efi-ia32","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-efi-ia32-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-emu","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_version":"2.02~beta2-9ubuntu1.6","binary_name":"grub-firmware-qemu"},{"binary_name":"grub-ieee1275","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-ieee1275-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-linuxbios","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-pc","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-pc-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-rescue-pc","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-theme-starfield","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-uboot","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-uboot-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-xen","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_name":"grub-xen-bin","binary_version":"2.02~beta2-9ubuntu1.6"},{"binary_version":"2.02~beta2-9ubuntu1.6","binary_name":"grub2"},{"binary_name":"grub2-common","binary_version":"2.02~beta2-9ubuntu1.6"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2015-8370","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2836-1.json"}}],"schema_version":"1.7.3"}