7.5
High
CVE-2023-4692 An out-of-bounds write flaw was found in grub2's NTFS filesystem driver
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published |
References
- RHSA-2024:2456 access.redhat.com
- RHSA-2024:3184 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2236613 bugzilla.redhat.com
- dfir.ru dfir.ru
- lists.gnu.org lists.gnu.org
- seclists.org seclists.org
Timeline
- Published
- Last modified
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