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#1 2015-02-23 15:39:41

Horowitz
Member
Registered: 2015-02-23
Posts: 1

HPKP broken system-wide?

Visiting https://superfish.tlsfun.de/style.css pins the valid certs for the domain superfish.tlsfun.de incl all sub-domains. So trying to open https://mitm.superfish.tlsfun.de/style.css should end in a browser error. On Win 7 and Ubuntu 14.04 that actually works: Firefox tells me:

Secure Connection Failed

An error occurred during a connection to mitm.superfish.tlsfun.de. The server uses key pinning (HPKP) but no trusted certificate chain could be constructed that matches the pinset. Key pinning violations cannot be overridden. (Error code: mozilla_pkix_error_key_pinning_failure)
• The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
• Please contact the website owners to inform them of this problem.

Same for Chrome: NET::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN

Unfortunately on Arch, Firefox and Chromium/Chrome do load https://mitm.superfish.tlsfun.de/style.css without complaining, i.e. you are not protected against certain MITM attacks. How can this be fixed?

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#2 2015-03-05 14:20:39

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 5,613

Re: HPKP broken system-wide?

Looks like all arch browsers have that problem, check FS #43971


Booting with apg Openrc, NOT systemd.
Automounting : not needed, i prefer pmount
Aur helpers : makepkg + my own local repo === rarely need them

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