Revisiting Browser Trust - Security Now. Browser Certificate Stores and QWACs (twit.tv)

submitted 10 months ago* (last edited 10 months ago) by MSgtRedFox@infosec.pub to c/technology@lemmy.world

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cross-posted from: https://infosec.pub/post/6945259

Let's talk about root certificate management and the EU proposed QWACs.

Steve Gibson of the security now podcast weighed in with opposition to the EUs proposed QWACs certs and cited a few other prominent figures also expressing opposition.

Paragraphing their concerns, they proposed that mandating a bunch of new CAs introduced more risk and greater opportunity for abuse or compromise. Steve favors less CAs also being in favor pruning out most, but 6 or 7.

At the moment, I don't care for browsers having their own certificate stores, as I would rather use the OS which I would use group policy for windows or use an automation tool for Linux.

I am also in favor of pruning out certs, though I've never tested that in an enterprise.

Does your organization allow non OS certificate stores?

Does your organization prune out default root certs?

How do you feel about the proposed QWACs?

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[-] MSgtRedFox@infosec.pub 1 points 10 months ago

I setup our transparent proxy so we can do interception and IPS. I'm interested/concerned about the ability to use an intermediate ca cert downstream inline somewhere (like a teoco) and if regular consumer desktops would alert on that since their browser would trust the root. We GPO place our intermediate cert in the Windows trusted intermediates. I can't remember if browsing breaks without doing that.

Not really a concern if there's other certs/TLS required.in addition to the QWACs cert thought.

I got the impression the easier threat/worry was compromise of a nation CA and issuing illicit duplicate site certs, to then spoof a bank site. Still requires traffic redirection with DNS or routing though I think.

this post was submitted on 11 Jan 2024

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