CVE-2023-4693

Katalog CVE

CVSS 4.6 · Medium EPSS 0,49%

Kerentanan Out-of-bounds Read pada gnu grub2, redhat enterprise linux. Skor CVSS 3.1 4.6 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

25 Oktober 2023

Terakhir diubah

21 Juli 2026

Status NVD

Modified

CVSS 3.1

4.6 (Medium), sumber NVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://access.redhat.com/security/cve/CVE-2023-4693 advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=2238343 issue tracking · advisory pihak ketiga
• https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ exploit · advisory pihak ketiga
• https://seclists.org/oss-sec/2023/q4/37 mailing list · advisory pihak ketiga
• https://access.redhat.com/errata/RHSA-2024:2456
• https://access.redhat.com/errata/RHSA-2024:3184
• https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html mailing list
• https://lists.debian.org/debian-lts-announce/2023/10/msg00007.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FUU42E7CPYLATXO...
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIRJ5UZRXX2KLR4...
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PERFILCHFEUGG3O...
• https://security.gentoo.org/glsa/202311-14
• https://security.netapp.com/advisory/ntap-20231208-0002/