Out-of-bounds Write in grub - CVE-2020-10713

Vulnerability identifier: #VU32922

CSH Severity: Low

CVSS v4: 7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-10713

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: Public exploit is available

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a "BootHole" issue. An attacker with physical access can install persistent and stealthy bootkits or malicious bootloaders, trigger out-of-bounds write and execute arbitrary code on the target system.

grub
Gentoo Linux
Debian Linux
CentOS
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Virtualization Host - Extended Update Support 4.2 for RHEL
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Ubuntu
Opensuse
openEuler
APM Edge
PowerFlex rack
Data Computing Appliance (DCA)
Dell PowerProtect Cyber Recovery
fwupd (Red Hat package)
grub2 (Red Hat package)
kernel (Red Hat package)
kernel-rt (Red Hat package)
redhat-release-virtualization-host (Red Hat package)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
shim-signed (Red Hat package)
shim (Red Hat package)
cockpit-ovirt (Red Hat package)
fwupd
imgbased (Red Hat package)
grub-efi-arm64-signed (Ubuntu package)
grub-efi-amd64-signed (Ubuntu package)
grub-efi-arm-bin (Ubuntu package)
grub-efi-amd64-bin (Ubuntu package)
grub-efi-arm64-bin (Ubuntu package)
grub-efi-ia32-bin (Ubuntu package)
grub2 (Debian package)
grub2-efi-aa64-modules
grub2-tools-efi
grub2-pc
grub2-efi-x64-cdboot
grub2-efi-x64
grub2-efi-ia32-cdboot
grub2-efi-ia32
grub2-pc-modules
grub2-efi-x64-modules
grub2-efi-ia32-modules
grub2-help
grub2-tools
grub2-efi-aa64-cdboot
grub2-efi-aa64
grub2-debugsource
grub2-debuginfo
grub2-common
grub2
redhat-virtualization-host (Red Hat package)
fwupdate (Red Hat package)
shim-unsigned-x64 (Red Hat package)
Red Hat Virtualization
Red Hat Virtualization Host
IBM Security Guardium
Dell EMC VxRail Appliance

Install updates from vendor's website.

grub - update to 2.06
APM Edge - update to 4.0
fwupd (Red Hat package) - addressed in versions 1.1.4-2.el8_1, 1.1.4-7.el8_2
grub2 (Red Hat package) - addressed in versions 2.02-0.86.el7_2, 2.02-0.86.el7_7, 2.02-0.86.el7_8, 2.02-87.el8_1, 2.02-87.el8_2
kernel (Red Hat package) - addressed in versions 3.10.0-327.90.2.el7, 3.10.0-693.71.2.el7, 3.10.0-957.58.2.el7, 3.10.0-1062.31.2.el7, 3.10.0-1127.18.2.el7, 4.18.0-80.27.2.el8_0, 4.18.0-147.24.2.el8_1, 4.18.0-193.14.3.el8_2
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1127.18.2.rt56.1116.el7, 4.18.0-193.14.3.rt13.67.el8_2
redhat-release-virtualization-host (Red Hat package) - addressed in versions 4.3.11-1.el7ev, 4.4.2-1.el8ev
shim-signed (Red Hat package) - addressed in versions 15-7.el7_8, 15-8.el7_2, 15-8.el7_7
shim (Red Hat package) - addressed in versions 15-7.el7_9, 15-8.el7, 15-14.el8_1, 15-14.el8_2
cockpit-ovirt (Red Hat package) - update to 0.14.11-1.el8ev
fwupd - update to 1.1.4-7.0.1
imgbased (Red Hat package) - update to 1.2.12-0.1.el8ev
grub-efi-arm64-signed (Ubuntu package) - addressed in versions 1.66.26+2.02~beta2-36ubuntu3.26, 1.66.27+2.02~beta2-36ubuntu3.27, 1.93.18+2.02-2ubuntu8.16, 1.93.19+2.02-2ubuntu8.17, 1.142.3+2.04-1ubuntu26.1, 1.142.4+2.04-1ubuntu26.2
grub-efi-amd64-signed (Ubuntu package) - addressed in versions 1.66.26+2.02~beta2-36ubuntu3.26, 1.66.27+2.02~beta2-36ubuntu3.27, 1.93.18+2.02-2ubuntu8.16, 1.93.19+2.02-2ubuntu8.17, 1.142.3+2.04-1ubuntu26.1, 1.142.4+2.04-1ubuntu26.2
grub-efi-arm-bin (Ubuntu package) - addressed in versions 2.02~beta2-36ubuntu3.26, 2.02~beta2-36ubuntu3.27, 2.02-2ubuntu8.16, 2.02-2ubuntu8.17, 2.04-1ubuntu26.1, 2.04-1ubuntu26.2
grub-efi-amd64-bin (Ubuntu package) - addressed in versions 2.02~beta2-36ubuntu3.26, 2.02~beta2-36ubuntu3.27, 2.02-2ubuntu8.16, 2.02-2ubuntu8.17, 2.04-1ubuntu26.1, 2.04-1ubuntu26.2
grub-efi-arm64-bin (Ubuntu package) - addressed in versions 2.02~beta2-36ubuntu3.26, 2.02~beta2-36ubuntu3.27, 2.02-2ubuntu8.16, 2.02-2ubuntu8.17, 2.04-1ubuntu26.1, 2.04-1ubuntu26.2
grub-efi-ia32-bin (Ubuntu package) - addressed in versions 2.02~beta2-36ubuntu3.26, 2.02~beta2-36ubuntu3.27, 2.02-2ubuntu8.16, 2.02-2ubuntu8.17, 2.04-1ubuntu26.1, 2.04-1ubuntu26.2
grub2 (Debian package) - update to 2.02+dfsg1-20+deb10u1
grub2-efi-aa64-modules - update to 2.02-76
grub2-tools-efi - update to 2.02-76
grub2-pc - update to 2.02-76
grub2-efi-x64-cdboot - update to 2.02-76
grub2-efi-x64 - update to 2.02-76
grub2-efi-ia32-cdboot - update to 2.02-76
grub2-efi-ia32 - update to 2.02-76
grub2-pc-modules - update to 2.02-76
grub2-efi-x64-modules - update to 2.02-76
grub2-efi-ia32-modules - update to 2.02-76
grub2-help - update to 2.02-76
grub2-tools - update to 2.02-76
grub2-efi-aa64-cdboot - update to 2.02-76
grub2-efi-aa64 - update to 2.02-76
grub2-debugsource - update to 2.02-76
grub2-debuginfo - update to 2.02-76
grub2-common - update to 2.02-76
grub2 - update to 2.02-76
PowerFlex rack - addressed in versions 3.3.8.1, 3.4.3.1, 3.5.3.1
Data Computing Appliance (DCA) - update to 4.3.0.0
redhat-virtualization-host (Red Hat package) - addressed in versions 4.3.11-20200922.0.el7_9, 4.4.2-20200930.0.el8_2
Dell EMC VxRail Appliance - update to 7.0.100
fwupdate (Red Hat package) - addressed in versions 12-6.el7_7, 12-6.el7_8
shim-unsigned-x64 (Red Hat package) - update to 15-7.el8
Dell PowerProtect Cyber Recovery - update to 19.6.0.1

• Exploit #3671 - BootHole (BootHole vulnerability (CVE-2020-10713). detection script, links and other mitigation related materials) (July 30, 2020)

• https://eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/
• https://access.redhat.com/security/cve/CVE-2020-10713

• Multiple vulnerabilities in GRUB2
• Red Hat Enterprise Linux 7 update for kernel
• Red Hat Enterprise Linux 7 update for kernel
• Red Hat Enterprise Linux 7 update for kernel
• Red Hat Enterprise Linux 7 update for kernel
• Red Hat Enterprise Linux 7 update for kernel-rt
• Red Hat Enterprise Linux 7 update for kernel
• Red Hat 8.1 update for grub2
• Red Hat 7 update for grub2
• Red Hat 8 update for grub2
• CentOS 7 update for grub2
• CentOS 7 update for shim-signed
• CentOS 7 update for shim
• CentOS 7 update for kernel
• Red Hat 7.7 update for grub2
• Red Hat AUS 7.2 update for grub2
• OpenSUSE Linux update for grub2
• OpenSUSE Linux update for grub2
• Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 update for redhat-release-virtualization-host and redhat-virtualization-host
• Multiple vulnerabilities in Red Hat Virtualization 4 for RHEL 8
• Gentoo update for GRUB
• Multiple vulnerabilities in Hitachi Energy APM Edge
• Debian update for grub2
• Out-of-bounds write in Dell EMC PowerProtect Cyber Recovery
• Multiple vulnerabilities in Dell EMC VxRail Appliance
• Multiple vulnerabilities in Dell EMC PowerFlex Rack
• Multiple vulnerabilities in Dell EMC Data Computing Appliance (DCA)
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel-rt
• Red Hat Enterprise Linux 8.1 Extended Update Support update for kernel
• Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions update for kernel
• Multiple vulnerabilities in IBM Security Guardium
• openEuler 20.03 LTS update for grub2 2.02-75
• Anolis OS update for fwupd
• Ubuntu update for grub2
• Ubuntu update for grub2