5.3

CVE-2023-4693

Exploit

Grub2: out-of-bounds read at fs/ntfs.c

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnu ≫ Grub2 Version < 2.12
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Version9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.5% 0.385
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.6 0.9 3.6
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
secalert@redhat.com 5.3 0.8 4
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://security.gentoo.org/glsa/202311-14
https://access.redhat.com/errata/RHSA-2024:2456
https://access.redhat.com/errata/RHSA-2024:3184
https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
Third Party Advisory
Exploit
https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
Mailing List
https://seclists.org/oss-sec/2023/q4/37
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/
https://security.netapp.com/advisory/ntap-20231208-0002/
https://access.redhat.com/security/cve/CVE-2023-4693
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2238343
Third Party Advisory
Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/10/msg00007.html