Name: CVE-2020-14308: Integer Overflow or Wraparound
Creator: Rapid7
Published: 2020-07-29T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-14308, CWE-190, CVSS 6.4, EPSS 0.00034

In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.

CVSS Details

CVSS 3.1 Base Score: 6.4
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade grub	Aug 22, 2024	Jul 29, 2020
Centos_linux	—	Upgrade mokutilUpgrade grub2-tools-efi-debuginfoUpgrade grub2-ppc64-modulesUpgrade grub2-tools-extraUpgrade grub2-ppc-modulesUpgrade fwupdUpgrade fwupdate-efiUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-debugsourceUpgrade grub2-efi-ia32-cdbootUpgrade shim-x64Upgrade shim-unsigned-ia32Upgrade grub2-tools-debuginfoUpgrade shim-ia32Upgrade grub2-efi-ia32-modulesUpgrade grub2-tools-minimalUpgrade fwupd-debuginfoUpgrade grub2-efi-x64-cdbootUpgrade grub2-toolsUpgrade fwupd-debugsourceUpgrade grub2-commonUpgrade fwupdate-debuginfoUpgrade shim-unsigned-x64Upgrade grub2-ppc64le-modulesUpgrade grub2-tools-efiUpgrade grub2-efi-x64-modulesUpgrade grub2-tools-extra-debuginfoUpgrade mokutil-debuginfoUpgrade grub2-efi-x64Upgrade fwupdateUpgrade grub2-pc-modulesUpgrade grub2-pcUpgrade fwupdate-develUpgrade grub2Upgrade fwupdate-libsUpgrade grub2-efi-ia32Upgrade grub2-efi-aa64-modulesUpgrade grub2-debuginfo	Jul 30, 2020	Jul 29, 2020
Debian	—	Upgrade grub2	Jul 31, 2020	Jul 29, 2020
Gentoo Linux	—	Upgrade sys-devel/grub.	May 3, 2021	Jul 29, 2020
Huawei Euleros 2_0_sp8	—	Upgrade grub2-toolsUpgrade grub2-efi-aa64Upgrade grub2-tools-minimalUpgrade grub2-tools-extraUpgrade grub2-efi-aa64-cdbootUpgrade grub2-commonUpgrade grub2-efi-aa64-modules	Aug 31, 2020	Jul 29, 2020
Oracle_linux	—	Upgrade grub2Upgrade grub2-efi-x64Upgrade grub2-tools-extraUpgrade grub2-efi-ia32Upgrade grub2-pc-modulesUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-efiUpgrade grub2-tools-minimalUpgrade grub2-efi-aa64-cdbootUpgrade grub2-efi-aa64Upgrade grub2-commonUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-ia32-modulesUpgrade grub2-pcUpgrade grub2-toolsUpgrade grub2-efi-ia32-cdbootUpgrade grub2-efi-x64-modules	Jul 30, 2020	Jul 29, 2020
Redhat_linux	—	Upgrade grub2-tools-efiUpgrade grub2-tools-debuginfoUpgrade fwupd-debugsourceUpgrade fwupdate-libsUpgrade shim-x64Upgrade shim-unsigned-aa64-debuginfoUpgrade grub2-efi-ia32-cdbootUpgrade grub2-tools-efi-debuginfoUpgrade grub2-tools-extraUpgrade shim-unsigned-x64-debuginfoUpgrade shim-unsigned-ia32-debuginfoUpgrade grub2-commonUpgrade fwupdate-debuginfoUpgrade grub2-tools-extra-debuginfoUpgrade grub2-pc-modulesUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-modulesUpgrade fwupdUpgrade grub2-ppc64-modulesUpgrade mokutil-debuginfoUpgrade grub2-debugsourceUpgrade grub2-efi-x64-cdbootUpgrade fwupdate-efiUpgrade fwupdateUpgrade grub2Upgrade shim-unsigned-x64Upgrade fwupd-debuginfoUpgrade shim-ia32Upgrade mokutilUpgrade grub2-ppc-modulesUpgrade grub2-efi-x64Upgrade fwupdate-develUpgrade grub2-ppc64le-modulesUpgrade grub2-tools-minimalUpgrade grub2-efi-ia32Upgrade grub2-debuginfoUpgrade grub2-efi-ia32-modulesUpgrade grub2-toolsUpgrade shim-unsigned-ia32Upgrade grub2-pcUpgrade grub2-tools-minimal-debuginfo	Jul 30, 2020	Jul 29, 2020
Suse	—	Upgrade grub2-i386-efiUpgrade grub2-i386-pc-debugUpgrade grub2-snapper-pluginUpgrade grub2-branding-upstreamUpgrade grub2-x86_64-efi-debugUpgrade grub2-s390x-emuUpgrade grub2-i386-xenUpgrade grub2-i386-pcUpgrade grub2Upgrade grub2-i386-efi-debugUpgrade grub2-systemd-sleep-pluginUpgrade grub2-arm64-efiUpgrade grub2-x86_64-xenUpgrade grub2-powerpc-ieee1275Upgrade grub2-x86_64-efi	Jul 30, 2020	Jul 29, 2020
Ubuntu	—	Upgrade grub-efi-arm-binUpgrade grub-efi-amd64-signedUpgrade grub-efi-arm64-signedUpgrade grub-efi-amd64-binUpgrade grub-efi-arm64-binUpgrade grub-efi-ia32-bin	Aug 5, 2020	Jul 29, 2020
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	Jan 20, 2025	Jul 29, 2020

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