Out-of-bounds read in grub - CVE-2023-4693

Vulnerability identifier: #VU81628

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-4693

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows an attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the NTFS driver in grub-core/fs/ntfs.c when reading data from the resident $DATA attribute. A attacker with physical access to the system use a specially crafted NTFS file system image to read arbitrary memory locations, such as data cached in memory or EFI variables values.

grub
Gentoo Linux
Debian Linux
Amazon Linux AMI
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy Module
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
SUSE Linux Enterprise Server 15 SP3 LTSS
Basesystem Module
Server Applications Module
openEuler
Ubuntu
Fedora
RecoverPoint for Virtual Machines
IBM Qradar SIEM
Juniper Secure Analytics (JSA)
Dell EMC NetWorker vProxy
SmartFabric OS10
ObjectScale
Enterprise SONiC
grub-efi-amd64-signed (Ubuntu package)
grub-efi-arm64-signed (Ubuntu package)
grub2-common
grub2-efi-x64
grub2-efi-x64-cdboot
grub2-pc
grub2-tools-efi
grub2-efi-loongarch64
grub2-efi-aa64-modules
grub2-efi-ia32-modules
grub2-efi-x64-modules
grub2-pc-modules
grub2-efi-ia32-cdboot
grub2-efi-loongarch64-cdboot
grub2-efi-aa64
grub2-efi-ia32
grub2-tools-minimal
grub2-tools-extra
grub2-tools
grub2-efi-aa64-cdboot
grub2 (Red Hat package)
grub2-snapper-plugin
grub2-s390x-emu
grub2-powerpc-ieee1275
grub2-i386-pc
grub2-x86_64-efi
grub2-x86_64-xen
grub2-systemd-sleep-plugin
grub2-arm64-efi
grub2-debugsource
grub2
grub2-debuginfo
grub2-help
sys-boot/grub
grub-efi-arm64-bin (Ubuntu package)
grub-efi-arm64 (Ubuntu package)
grub-efi-amd64-bin (Ubuntu package)
grub-efi-amd64 (Ubuntu package)
grub2 (Debian package)
OpenShift Service Mesh
RecoverPoint for VMs
Dell EMC VxRail Appliance

Install updates from vendor's website.

RecoverPoint for Virtual Machines - update to 6.0 SP2 P1
Juniper Secure Analytics (JSA) - addressed in versions 7.5.0 UP9 IF02, 7.5.0 UP10 IF02
IBM Qradar SIEM - update to 7.5.0 Update Pack 9 IF02
SmartFabric OS10 - update to 10.5.4.11
ObjectScale - update to 1.4.0
grub-efi-amd64-signed (Ubuntu package) - addressed in versions 1.187.6+2.06-2ubuntu14.4, 1.187.6~20.04.1+2.06-2ubuntu14.4, 1.193.2+2.06-2ubuntu17.2
grub-efi-arm64-signed (Ubuntu package) - addressed in versions 1.187.6+2.06-2ubuntu14.4, 1.187.6~20.04.1+2.06-2ubuntu14.4, 1.193.2+2.06-2ubuntu17.2
grub2-common - update to 2.02-150.0.2
grub2-efi-x64 - update to 2.02-150.0.2
grub2-efi-x64-cdboot - update to 2.02-150.0.2
grub2-pc - update to 2.02-150.0.2
grub2-tools-efi - update to 2.02-150.0.2
grub2-efi-loongarch64 - update to 2.02-150.0.2
grub2-efi-aa64-modules - update to 2.02-150.0.2
grub2-efi-ia32-modules - update to 2.02-150.0.2
grub2-efi-x64-modules - update to 2.02-150.0.2
grub2-pc-modules - update to 2.02-150.0.2
grub2-efi-ia32-cdboot - update to 2.02-150.0.2
grub2-efi-loongarch64-cdboot - update to 2.02-150.0.2
grub2-efi-aa64 - update to 2.02-150.0.2
grub2-efi-ia32 - update to 2.02-150.0.2
grub2-tools-minimal - update to 2.02-150.0.2
grub2-tools-extra - update to 2.02-150.0.2
grub2-tools - update to 2.02-150.0.2
grub2-efi-aa64-cdboot - update to 2.02-150.0.2
grub2 (Red Hat package) - addressed in versions 2.02-156.el8, 2.06-77.el9
grub2-snapper-plugin - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-s390x-emu - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-powerpc-ieee1275 - addressed in versions 2.02-169.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-i386-pc - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-x86_64-efi - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-x86_64-xen - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-systemd-sleep-plugin - addressed in versions 2.02-169.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-arm64-efi - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-debugsource - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2 - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-debuginfo - addressed in versions 2.02-169.1, 2.04-150300.3.11.1, 2.04-150300.22.43.1, 2.06-150400.11.38.1, 2.06-150500.29.8.1
grub2-common - update to 2.04-31
grub2-efi-ia32-modules - update to 2.04-31
grub2-pc-modules - update to 2.04-31
grub2-help - update to 2.04-31
grub2-efi-x64-modules - update to 2.04-31
grub2-efi-aa64 - update to 2.04-31
grub2-efi-aa64-modules - update to 2.04-31
grub2-tools - update to 2.04-31
grub2-efi-aa64-cdboot - update to 2.04-31
grub2-debugsource - update to 2.04-31
grub2-tools-extra - update to 2.04-31
grub2-debuginfo - update to 2.04-31
grub2 - update to 2.04-31
grub2-tools-minimal - update to 2.04-31
grub2-efi-x64-cdboot - update to 2.04-31
grub2-efi-ia32 - update to 2.04-31
grub2-pc - update to 2.04-31
grub2-efi-x64 - update to 2.04-31
grub2-tools-efi - update to 2.04-31
grub2-efi-ia32-cdboot - update to 2.04-31
OpenShift Service Mesh - update to 2.5.2
sys-boot/grub - update to 2.06-r9
grub-efi-arm64-bin (Ubuntu package) - addressed in versions 2.06-2ubuntu14.4, 2.06-2ubuntu17.2
grub-efi-arm64 (Ubuntu package) - addressed in versions 2.06-2ubuntu14.4, 2.06-2ubuntu17.2
grub-efi-amd64-bin (Ubuntu package) - addressed in versions 2.06-2ubuntu14.4, 2.06-2ubuntu17.2
grub-efi-amd64 (Ubuntu package) - addressed in versions 2.06-2ubuntu14.4, 2.06-2ubuntu17.2
grub2 (Debian package) - addressed in versions 2.06-3~deb11u6, 2.06-13+deb12u1
grub2 - update to 2.06-61
grub2 - addressed in versions 2.06-118.fc38, 2.06-120.fc39, 2.06-121.fc40
Enterprise SONiC - update to 4.2.1
RecoverPoint for VMs - update to 6.0.SP1.P1
Dell EMC VxRail Appliance - update to 8.0.201
Dell EMC NetWorker vProxy - addressed in versions 19.9.0.4, 19.10

• https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html

• Multiple vulnerabilities in Grub2
• Ubuntu update for grub2-signed
• Debian update for grub2
• SUSE update for grub2
• SUSE update for grub2
• SUSE update for grub2
• SUSE update for grub2
• Gentoo update for GRUB
• Dell EMC NetWorker vProxy update for third-party components
• openEuler update for grub2
• Fedora 40 update for grub2
• Fedora 39 update for grub2
• Fedora 38 update for grub2
• Red Hat Enterprise Linux 9 update for grub2
• Red Hat Enterprise Linux 8 update for grub2
• Multiple vulnerabilities in Dell Enterprise SONiC Distribution
• Multiple vulnerabilities in OpenShift Service Mesh 2.5
• Multiple vulnerabilities in Dell SmartFabric OS10
• Multiple vulnerabilities in Dell ObjectScale
• Multiple vulnerabilities in IBM Qradar SIEM
• Multiple vulnerabilities in Juniper Secure Analytics (JSA)
• Multiple vulnerabilities in Dell RecoverPoint for Virtual Machines
• Multiple vulnerabilities in Juniper Secure Analytics (JSA)
• Amazon Linux AMI update for grub2
• Amazon Linux AMI update for grub2
• Anolis OS update for grub2
• Multiple vulnerabilities in Dell EMC VxRail Appliance
• Dell RecoverPoint for Virtual Machines update for third-party components
• SUSE update for grub2