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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
1:2.02-156.el8 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
1:2.06-77.el9 to < *unaffected
Red Hat Red Hat Enterprise Linux 7
Default version status: affected
References
- https://access.redhat.com/errata/RHSA-2024:2456 ↗
- https://access.redhat.com/errata/RHSA-2024:3184 ↗
- https://access.redhat.com/security/cve/CVE-2023-4693 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2238343 ↗
- https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ ↗
- https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html ↗
- https://seclists.org/oss-sec/2023/q4/37 ↗
- 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.gentoo.org/glsa/202311-14 ↗
- https://security.netapp.com/advisory/ntap-20231208-0002/ ↗
- https://lists.debian.org/debian-lts-announce/2023/10/msg00007.html ↗