CVE-2023-4692 — Grub2: out-of-bounds write at fs/ntfs.c may lead to unsigned code execution
An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's…
Published: 2023-10-25 · CVSS: 7.5 · CVSS 3.1
An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7