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A complete bypass of eMudhra’s 1FA OTP login system

https://mastodon.catgirl.cloud/@49016/117475976434068995
99•tensegrist•1h ago

Comments

EQYV•1h ago
Please can this not be true..
FLeXMurphy•56m ago
Security represents less than 1% of their business.
lenerdenator•5m ago
Aye, but it'll now represent much, much more than 1% of their corporate reputation.
bragr•55m ago
The anti AI scraping on this site doesn't work that well. I'm being served non-sense text about buttplugs. I'm human, I swear.
Muromec•51m ago
That was proof of soul check and you passed
gilrain•54m ago
This site serves me garbage. Iocaine, I think? I use Brave.

"If you are not [a bot], and you feel you have been served garbage by mistake, please contact the owner of the site you're visiting."

If anyone knows another way to access the content, I'd be interested. No contact details are offered and visiting mastodon.catgirl.cloud resets my connection.

swiftcoder•39m ago
https://archive.ph/Vnlt9
buildbot•51m ago
So basically anyone who used this CA is screwed if someone knows your email?
gruez•45m ago
Only if they're lazy and went with the "download key and certificate (and we'll generate the keys for you)" option. Otherwise at least how it's supposed to work is that you give a CA a certificate signing request (CSR) containing your public key, they sign it and hand back your certificate. The certificate itself doesn't contain anything sensitive, because it's the same thing that your server presents to clients. But people are lazy and might not know how to generate a csr locally, hence the aforementioned option. And of course if they're too lazy to generate a csr locally, they're probably also too lazy to keep backups, so you can be sure that eMudhra keeps a copy in case they deleted it from their downloads folder.
pdpi•4m ago
With this exploit, what's stopping me from sending my own CSR for your domain?
VladVladikoff•43m ago
Hahahahha what a roast. Too funny, especially the "4 Bars" in the background of the demo.
tommica•43m ago
Could someone explain this? Does this mean that it enables logging in as any account in emudhras infra?
hoherd•43m ago
The number the tool found was 1861. The e-mailed OTP code was 1858. What am I missing?
molticrystal•27m ago
I noticed that as well. Figured it was a concurrency issue, and they have a follow-up message that you can see if you click on the OP of the Mastodon thread that confirmed my guess: https://mastodon.catgirl.cloud/@49016/117476097901925573

>(yes the code is off by a few. its bc the poc is shit and to speed it up it uses 8 connections at the same time. it just stops the counter once it has a hit so its off by ~4 lmfao. you could easily fix this but cba today)

cyberpunk•36m ago
Don't piss off the internet, there will be consequences. I guess.

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A complete bypass of eMudhra’s 1FA OTP login system

https://mastodon.catgirl.cloud/@49016/117475976434068995
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