A flaw was found in the HFS filesystem. When reading an HFS volume's name at grub_fs_mount(), the HFS filesystem driver performs a strcpy() using the user-provided volume name as input without properly validating the volume name's length. This issue may read to a heap-based out-of-bounds writer, impacting grub's sensitive data integrity and eventually leading to a secure boot protection bypass.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| gnu | grub2 | 2.12 | - |
| redhat | openshift_container_platform | - | - |
| redhat | enterprise_linux | - |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5
Affected Products
2
References
gnu / grub2
| - |
| redhat | enterprise_linux | - | - |
| redhat | enterprise_linux | - | - |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability
Impact