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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Just about every Windows and Linux device vulnerable to new LogoFAIL firmware attack (arstechnica.com)

submitted 1 year ago by Chewy7324@discuss.tchncs.de to c/linux@lemmy.ml

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[–] _edge@discuss.tchncs.de 160 points 1 year ago (26 children)

There are several ways to exploit LogoFAIL. Remote attacks work by first exploiting an unpatched vulnerability in a browser, media player, or other app and using the administrative control gained to replace the legitimate logo image processed early in the boot process with an identical-looking one that exploits a parser flaw. The other way is to gain brief access to a vulnerable device while it’s unlocked and replace the legitimate image file with a malicious one.

In short, the adversary requires elevated access to replace a file on the EFI partition. In this case, you should consider the machine compromised with or without this flaw.

You weren't hoping that Secure Boot saves your ass, were you?

[–] Ithorian@hexbear.net 11 points 1 year ago (2 children)

So if I have my computer set that it needs a sudo password for most changes am I good?

[–] _edge@discuss.tchncs.de 14 points 1 year ago (1 children)

Yes, that's my understanding. A normal user cannot do this. (And of course, an attacker shouldn't not control a local user in the first place.)

Physical access is also a risk, but physical access trumps everything.

[–] Ithorian@hexbear.net 11 points 1 year ago (1 children)

Thanks for the answer. Unless my dog learns how to code I think I'm safe from anyone getting physical access

[–] PhatInferno@midwest.social 13 points 1 year ago (2 children)

As a hacker imma start teaching dogs to code as part of my breakin process, sorry bud

[–] FigMcLargeHuge@sh.itjust.works 5 points 1 year ago

Introduce him or her to FidoNet.

[–] Murdoc@sh.itjust.works 5 points 1 year ago

Ah, so the next Air Bud movie will be what, Hack Bud?
"There's nothing in the specifications that says that a dog can't have admin access."
"Nothing but 'net!"

[–] fl42v@lemmy.ml 6 points 1 year ago

Unless they find another way to escalate privileges... A bug, a random binary with suid, etc

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