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Leuven University team exposes security leak affecting millions of computer servers (www.vrt.be)

submitted 3 days ago by [email protected] to c/[email protected]

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Researchers at Leuven University (KU Leuven) have discovered the existence of millions of poorly secured so-called ‘tunnelling hosts’. Tunnelling hosts are servers or computers that act as intermediaries to connect computer networks. A total of more than four million vulnerable tunnelling hosts were found.

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[–] [email protected] 2 points 3 days ago (1 children)

Is it just me or is this a nothing article?

Is says nothing about what they actually found, just a bunch of hosts forwarding GRE traffic. No details on what platforms, if a bug report or CVE was filed, nothing at all.

[–] [email protected] 1 points 3 days ago* (last edited 3 days ago)

Yeah I agree, it was the first in my RSS feed about it, didn't find the publication by DistriNet.

This is a better one, but I'll keep my eye out for more info.

Edit: Sloppy of me, here's the publication.

https://papers.mathyvanhoef.com/usenix2025-tunnels.pdf