this post was submitted on 11 Apr 2024
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transcriptScreenshot of github showing part of the commit message of this commit with this text:

Remove the backdoor found in 5.6.0 and 5.6.1 (CVE-2024-3094).

While the backdoor was inactive (and thus harmless) without inserting
a small trigger code into the build system when the source package was
created, it's good to remove this anyway:

  - The executable payloads were embedded as binary blobs in
    the test files. This was a blatant violation of the
    Debian Free Software Guidelines.

  - On machines that see lots bots poking at the SSH port, the backdoor
    noticeably increased CPU load, resulting in degraded user experience
    and thus overwhelmingly negative user feedback.

  - The maintainer who added the backdoor has disappeared.

  - Backdoors are bad for security.

This reverts the following without making any other changes:

The sentence "This was a blatant violation of the Debian Free Software Guidelines" is highlighted.

Below the github screenshot is a frame of the 1998 film The Big Lebowski with the meme caption "What, are you a fucking park ranger now?" from the scene where that line was spoken.

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[–] Plasma@lemmy.ml 229 points 6 months ago (1 children)

Backdoors are bad for security πŸ˜†πŸ˜†

[–] shootwhatsmyname@lemm.ee 96 points 6 months ago (4 children)

oh dang removes backdoor from my house

[–] unreachable@lemmy.world 28 points 6 months ago

OnlyF~~ans~~rontDoor

[–] Potatos_are_not_friends@lemmy.world 20 points 6 months ago (2 children)

Hell yeah. Make the windows difficult to enter, and now you have a singular point of entry.

Then put a gun turret there.

[–] frezik@midwest.social 13 points 6 months ago

Your house isn't truly secure until you have a lava moat, and other ideas I came up with when I was eight.

[–] eatham@aussie.zone 6 points 6 months ago

Just remove the windows

[–] waspentalive@lemmy.one 6 points 6 months ago* (last edited 6 months ago)

Don't remove the back door from your house, bar it with a sturdy 2x4 that holds it closed. Just be sure to use a 2x4 that is not made weak by the application of a specific chemical that only the secret bad guy knows about.

[–] RedWeasel@lemmy.world 67 points 6 months ago (5 children)

Seriously. If you are going to do it, write in assembly or something else no one understands.

[–] Ineocla@lemmy.ml 125 points 6 months ago (4 children)

Tbh jia tan really wasn't lucky some mf at Microsoft noticed a 500ms delay in ssh. The backdoor was so incredibely clever and Well hidden and ingenious i almost feel bad for him lmao

[–] conditional_soup@lemm.ee 77 points 6 months ago (2 children)

A really good point I heard is: this was likely a state actor attack, so how many others just like this are out there, undiscovered?

[–] B0rax@feddit.de 30 points 6 months ago (5 children)

Unpopular opinion: what if it was not a state actor and just some bored person somewhere that thought it would be cool to own a bot net?

What if this is just one of many backdoors and it’s just the only one we found?

[–] thisisbutaname@discuss.tchncs.de 64 points 6 months ago* (last edited 6 months ago) (2 children)

I heard that person actively contributed for something like 2 years, providing actually useful contributions, to gain the level of trust needed to plant that backdoor. Feels a bit too much to chalk it up to boredom.

As for the second part, that's an interesting question. Are there lots of backdoors and we just happened to notice this one, or are backdoors very rare exactly because we'd have found them out soon like in this case?

[–] Appoxo@lemmy.dbzer0.com 18 points 6 months ago* (last edited 6 months ago) (1 children)

You'd be surprised what I manage with motivation and boredom.
You'd be surprised what a highly skilled ~~scalled~~ person can manage to achieve.

Boredom, Skills and Motivation are dangerous things to have if improperly handled.

[–] neeeeDanke@feddit.de 7 points 6 months ago

highly scalled person

You might be on to something, it might have been the lizzard people!

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[–] PapstJL4U@lemmy.world 7 points 6 months ago

The design is Moriarty lvls of complex. State actor might be too specific, but everything but a group of people would be highly unlikely.

[–] agent_flounder@lemmy.world 7 points 6 months ago (1 children)

Nobody is both that bored and that motivated. Unless paid.

[–] B0rax@feddit.de 8 points 6 months ago* (last edited 6 months ago)

You forget that a lot of brilliant open source projects are one man shows from geniuses somewhere around the world. They are usually not paid.

In the other hand, if you get your hands on a powerful botnet, you can rent out its services (like ddos for example) for quite a bit of money.

[–] GissaMittJobb@lemmy.ml 6 points 6 months ago (1 children)

Realistically I think it's probably easier to acquire a botnet of less secure systems. This was a targeted attack.

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[–] SzethFriendOfNimi@lemmy.world 14 points 6 months ago

It’s scary to think about… a lot of people are now thinking about how we can best isolate our build test process so it works as a test suite but doesn’t have any way to interact with the output or environment.

It’s just blows my mind to think of the levels of obfuscation this process used and how easy it would be to miss it.

[–] Vilian@lemmy.ca 12 points 6 months ago

the guy was even in microsoft he was at his house testing debian

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[–] ElCanut@jlai.lu 18 points 6 months ago

Aggressively writes a backdoor in COBOL

[–] Wooki@lemmy.world 3 points 6 months ago (1 children)

Whoa hol up.

Write the build script in assembly?

Thats not okay man.

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[–] Boomkop3@reddthat.com 29 points 6 months ago (3 children)
[–] lefixxx@lemmy.world 18 points 6 months ago (2 children)

Its like saying bank robbery is against bank’s gun carrying policy.

Sure its true, but thats not really the problem being addressed. The massive, notorious security vulnerability is.

[–] lefixxx@lemmy.world 5 points 6 months ago

Oh the big lebowsky part, i dont get it either

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[–] deltapi@lemmy.world 16 points 6 months ago (1 children)

Yep, probably because it's not funny or clever. My guess is that you look for funny and/or clever in your jokes.

[–] Boomkop3@reddthat.com 5 points 6 months ago (8 children)

Someone explained it, turns out it's just not my kind of joke. I get it now tho

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[–] UserMeNever@feddit.nl 21 points 6 months ago (1 children)

Backdoors are bad for security.

No shit....

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Oh please, dear? For your information, the Supreme Court has roundly rejected prior restraint.

[–] FrankTheHealer@lemmy.world 13 points 6 months ago (1 children)

Nobody fucks with the Linux

[–] neo@feddit.de 4 points 6 months ago

This guy Archs! Am I right!? You know I'm right!

[–] Jomosoto@discuss.tchncs.de 9 points 6 months ago

Best part to me is "The maintainer who added the backdoor has disappeared." implying it was removes because there's nobody left to maintain it

[–] xantoxis@lemmy.world 6 points 6 months ago (2 children)

Well, I think they should revoke that guy's PGP key

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[–] merthyr1831@lemmy.world 4 points 6 months ago

reminds me of the infamous NSA backdoor patch blog for Notepad++

[–] DmMacniel@feddit.de 4 points 6 months ago
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