Comments (9)
You could add a
PASSWD_HASH
option in the configuration files that holds a password-hash with salting (for example yescrypt which is already in libxcrypt) and aPASSWD_DELAY
option to add a minimum delay after a wrong password
That is a really weak security measure. If limine refuses to boot something, I can still do it outside of limine.
from limine.
Obviously this feature is meaningful only when SecureBoot is enabled and with BIOS locked.
from limine.
Boot menu is only (is it not?) about having physical access. If I have physical access, I can take the drive out or reset BIOS (UEFI) password.
from limine.
Still, if your root is unencrypted, dosent that password on the boot menu mean jack shit when someone who is trying to get your data can just open the computer, grab the drive and run?
Thus with standard forensics tools, you can just get whatever you want.
Encrypted root, No acess without your password.
And at that point, theyre gonna come extort the password out of you.
See relevant xkcd
from limine.
It depends, it could be a PC shared among many people and you want only the system administrator to access the UEFI shell for maintenance and avoid unpracticed people to gain access to it.
Clearly this doesn't prevent you to steal the drive and access it, but the main point to have boot entries locked behind a password is to prevent inexperienced people to inadvertently cause troubles to everyone.
from limine.
to prevent inexperienced people to inadvertently cause troubles to everyone.
Operating systems provide authentication methods to prevent unwanted access.
from limine.
to prevent inexperienced people to inadvertently cause troubles to everyone.
Operating systems provide authentication methods to prevent unwanted access.
EFI shells doesn't have any authentication method. Moreover, Linux kernel can be booted with different kernel parameters and you can't prevent an user to boot only one of specified kernel but not the others without creating a new partition with different users.
from limine.
Just set EDITOR_ENABLED or other flags you want off to no in the configuration. Relevant config flags list:
https://github.com/limine-bootloader/limine/blob/v7.x/CONFIG.md
from limine.
EFI shells doesn't have any authentication method. Moreover, Linux kernel can be booted with different kernel parameters
You were talking about inexperienced people to inadvertently cause troubles to everyone
.
from limine.
Related Issues (20)
- No background highlighting when using UEFI serial console
- Serial console speed setting missing (or auto discovery) HOT 1
- feature request: limine boot protocol uefi system table request HOT 2
- Onboard to nixpkgs HOT 20
- Feature Request: Implement grub-style MAC-based PXEBoot limine.cfg configurations. HOT 2
- Migrating to QOI? HOT 2
- Support basic theme configuration HOT 1
- Limine Memory map feature results zero entries. HOT 3
- Bug: Limine does not support being loaded above 4GiB HOT 5
- Make limine compatible with the boot loader specification by supporting an XBOOTLDR partition HOT 10
- Config file not found HOT 10
- Cannot boot if i install limine on another disk HOT 1
- Implement loopback for booting disk image files HOT 4
- Lack of checking of the fat32_bpb.bytes_per_sector
- Lack of checking of the fat32_bpb.sectors_per_cluster
- Install limine on disk without limine installer HOT 2
- Missing files in release assets HOT 1
- Binaries within the repository HOT 1
- Potentially broken EFI memory map HOT 15
- Black screen if not using TEXTMODE HOT 2
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from limine.