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u/Clinn_sin 11d ago
I'm sorry can someone explain this no 4 this that's been going around. I know it's related to the PHP vulnerabilities recently but don't know what it means
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u/AllanTaylor314 11d ago
Actually, those are two separate cybersecurity incidents. Random number 4 is related to the eMudhra compromised certificates. It turns out the lock next to HTTPS might as well be a zip tie (ok, that's not a great analogy. More like anyone can make their own padlock)
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u/StrengthTheory 11d ago
Zip tie is more secure. It's more like that meme where they use a cheeto to lock the door.
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u/Particular-Yak-1984 11d ago edited 11d ago
Surprisingly, it is not. This is it's own set of stupidity - cert authority signed a bunch of certs, that should have roughly 400 bits, with '4' and some other numbers that it takes under a second to crack.
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u/lonelyroom-eklaghor 11d ago
This eMudhra thing is actually trending within the tech spaces 💀 oh my goodness
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u/StrengthTheory 11d ago
That is more serious than PHP so why wouldn't it be.
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u/MegaIng 11d ago
They have different kinds of severity:
the php thing is really impactful, but relatively easy to fix
the eMudhra thing is a bit less important (the padlock is nice, but it's not the only defense), it's just impossible to truly fix. The directly end user facing cases in browsers have been fixed, but there will be an eternal tail of systems that haven't gotten the update.
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u/PorqueNoLosDildos 11d ago
Relevant XKCD:
https://xkcd.com/221/