CVEvulnerability
CVE-2023-4693
4.6 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-10-25
- Last modified
- 2026-07-21
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- CVSS 3.1 ([email protected])
- 4.6 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-125
Description
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.
Affected configurations
• gnu grub2 (< 2.12)
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://access.redhat.com/errata/RHSA-2024:2456 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:3184 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-4693 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2238343 Issue Tracking, Third Party Advisory
- https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ Exploit, Third Party Advisory
- https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html Mailing List
- https://seclists.org/oss-sec/2023/q4/37 Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2456 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:3184 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-4693 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2238343 Issue Tracking, Third Party Advisory
- https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00007.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/[email protected]/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/[email protected]/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/[email protected]/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/ lists.fedoraproject.org
- https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html Mailing List
- https://seclists.org/oss-sec/2023/q4/37 Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202311-14 security.gentoo.org
- https://security.netapp.com/advisory/ntap-20231208-0002/ security.netapp.com