Wesnoth site and forum security allert.

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Yomar
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Wesnoth site and forum security allert.

Post by Yomar »

I just wanted to inform that recently every time I try to access to the Wesnoth webpage or forum, my browsers warn me that the site is risky to visit, and i have to add an exception in the security settings to be able to access.
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Re: Wesnoth site and forum security allert.

Post by Dugi »

I had the same issue, a warning that the site's certificate had expired. Yesterday or on Monday, not sure when it exactly was, but it appears to be fixed now.

It was a bit more annoying for me because I use Pale Moon and it does not allow me to add exceptions. One of the two things I don't like about the browser.
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Re: Wesnoth site and forum security allert.

Post by Iris »

Yomar wrote:I just wanted to inform that recently every time I try to access to the Wesnoth webpage or forum, my browsers warn me that the site is risky to visit, and i have to add an exception in the security settings to be able to access.
And which browsers are these? Also, are you using http or https to access the pages in question?
Dugi wrote:I had the same issue, a warning that the site's certificate had expired. Yesterday or on Monday, not sure when it exactly was, but it appears to be fixed now.

It was a bit more annoying for me because I use Pale Moon and it does not allow me to add exceptions. One of the two things I don't like about the browser.
Yes, this was fixed about 1 hour after it first came up and it’s probably not what the OP is talking about. That issue was a little more involved and no sane browser would allow adding an exception for that particular case, for very good reasons.
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Re: Wesnoth site and forum security allert.

Post by Airatgaljamov »

Have a "Your connection is not private" (NET::ERR_CERT_AUTHORITY_INVALID) problem on Chrome browser for Android. Chrome on Windows works perfectly fine.
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Re: Wesnoth site and forum security allert.

Post by Pentarctagon »

Works fine for Linux/Firefox, with https enforced by the HTTPS-Everywhere add-on as well as the about:config options security.ssl.require_safe_negotiation and security.ssl.treat_unsafe_negotiation_as_broken set to True.
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Re: Wesnoth site and forum security allert.

Post by Rhonda »

Yomar wrote:I just wanted to inform that recently every time I try to access to the Wesnoth webpage or forum, my browsers warn me that the site is risky to visit, and i have to add an exception in the security settings to be able to access.
Hi. My bad. Or rather, Let's Encrypt's one. They changed the cert they signed with and thus the intermediate has to get changed too. I didn't notice this change and now have adapted the update script so that it would pick up that part automaticly (hopefully).

Sorry for the inconvenience,
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Re: Wesnoth site and forum security allert.

Post by GbDorn »

Pentarctagon wrote:Works fine for Linux/Firefox, with https enforced by the HTTPS-Everywhere add-on
Without the add-on it didn't work for me with latest Firefox on Ubuntu 14.04 & 15.10 until today. I always got SEC_ERROR_UNKNOWN_ISSUER.
Running SSL Labs's test as advised by Mozilla indicated a broken certificates chain as the Let's Encrypt certificate served by the Wesnoth servers was the old one.

Thanks, Rhonda!
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Re: Wesnoth site and forum security allert.

Post by Pentarctagon »

GbDorn wrote:
Pentarctagon wrote:Works fine for Linux/Firefox, with https enforced by the HTTPS-Everywhere add-on
Without the add-on it didn't work for me with latest Firefox on Ubuntu 14.04 & 15.10 until today. I always got SEC_ERROR_UNKNOWN_ISSUER.
Running SSL Labs's test as advised by Mozilla indicated a broken certificates chain as the Let's Encrypt certificate served by the Wesnoth servers was the old one.

Thanks, Rhonda!
Huh. Somehow I don't think that add-on is supposed to be suppressing warnings like that :hmm:
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Re: Wesnoth site and forum security allert.

Post by iceiceice »

Pent, maybe you also have the old Let's Encrypt key installed.
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Re: Wesnoth site and forum security allert.

Post by Pentarctagon »

I don't know why I would, unless Firefox is keeping the old version around for some reason. Also, unless I'm misunderstanding how this works, if I was still using the old certificate I should have been getting the error. I am not getting the error now, even with HTTPS-Everywhere disabled, so the old certificate is gone now at least.
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Re: Wesnoth site and forum security allert.

Post by iceiceice »

I am not an expert in security matters, but, the way I understand that it works is that there is a collection of keys that are stored on your system and listed as "trusted" root certificates. You might have several of them from several companies. When your browser wants to verify a signature from a website, it will just try to match it against all the different trusted keys it has -- if any of them works, then it is a trusted signature.

You might have several root signatures from the *same* company so far as I know. It's not exactly like software where you delete the old version and install the new version to upgrade.

When your browser verifies a signature, you don't talk to Let's Encrypt servers -- the only thing you have from them is the key on your hard drive.

When Let's Encrypt decides to role out a new key, the old one doesn't just stop working -- any website that was using that old key can still be trusted by any browser that also has the old key. Any changes have to be installed on everyone's machines, so it will take a while to percolate down to everyone.

Given that, when you get a new key from Let's Encrypt, you probably don't want to just delete the old one, or you won't be able to view websites that didn't upgrade yet. Just because they didn't upgrade yet doesn't mean they are malicious.

But, someone who installs a new browser on some platform might not get the old key when they do. It depends on the whim of who created the browser installer I guess, and whether they have any other trusted keys on their system for some reason.

So, I think it could easily happen that people on different platforms have different sets of trusted keys, potentially from different companies, and of different ages, and you might personally have some overlaps also. AFAIK.
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Re: Wesnoth site and forum security allert.

Post by Tad_Carlucci »

When I first saw this, a few days ago, I immediately checked the certificate chain and everything was fine.

I do, however, remember reading and thinking, "Well, it's a mobile device." There are a number of Google results for this issue on Android, most are technical for the programmers, but those for users generally suggest checking the clock, rebooting, trying a different WiFi network, and making sure everything is up-to-date.

A recent experience makes me think clock drift or out-dated software (probably Android, not Chrome) would be the likely culprits.
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Re: Wesnoth site and forum security allert.

Post by Pentarctagon »

Well, it's been fixed, and I don't have the slightest idea of how I would go about testing this, so I guess we'll never know for sure. Honestly I'm pretty surprised it was so simple to reproduce; I've got several other privacy/security add-ons, more than a few about:config tweaks setup, and I'm on the Aurora/Alpha version of Firefox to get access to the multiprocess feature. That it ended up being just the HTTPS-Everywhere add-on doing something is sort of amazing.
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Re: Wesnoth site and forum security allert.

Post by gnombat »

I've seen similar issues before with Let's Encrypt certificates, where a misconfigured site will work for some people's browsers but not for others; I believe the issue is caused by caching of intermediate certificates as described here:

https://blogs.gnome.org/mcatanzaro/2015 ... om-fiasco/

(I don't think the HTTPS-Everywhere add-on has anything to do with it.)
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