CVE-2023-4693

2023-10-2518:17:41

Debian Security Bug Tracker

security-tracker.debian.org

cve-2023-4693

out-of-bounds read

grub2

ntfs

memory access

physically present attacker

sensitive data

efi variable

confidentiality risk

unix

0.001 Low

EPSS

Percentile

32.0%

JSON

An out-of-bounds read flaw was found on grub2’s NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.

OSVersionArchitecturePackageVersionFilename
Debian12allgrub2< 2.06-13+deb12u1grub2_2.06-13+deb12u1_all.deb
Debian11allgrub2< 2.06-3~deb11u6grub2_2.06-3~deb11u6_all.deb
Debian10allgrub2< 2.06-3~deb10u4grub2_2.06-3~deb10u4_all.deb
Debian999allgrub2< 2.12~rc1-11grub2_2.12~rc1-11_all.deb
Debian13allgrub2< 2.12~rc1-11grub2_2.12~rc1-11_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	grub2	< 2.06-13+deb12u1	grub2_2.06-13+deb12u1_all.deb
Debian	11	all	grub2	< 2.06-3~deb11u6	grub2_2.06-3~deb11u6_all.deb
Debian	10	all	grub2	< 2.06-3~deb10u4	grub2_2.06-3~deb10u4_all.deb
Debian	999	all	grub2	< 2.12~rc1-11	grub2_2.12~rc1-11_all.deb
Debian	13	all	grub2	< 2.12~rc1-11	grub2_2.12~rc1-11_all.deb