Are SSL certificate chains different among desktop and tablet browsers?

Question

I've got a Nexus 7 tablet with Android 4.4.2 and browsers Chrome and FireFox installed on it. When I open the website https://ib.sb24.com with it, it prompts me that the certificate is not trusted but when I open the same address with a desktop browser it's alright! Why is that?

[UPDATE]

By desktop I mean Windows and Ubuntu, Chrome and FireFox.

Answer 1

This looks like the server is configured wrong. It only sends a single certificate which is not signed by a known root, but instead by an intermediate CA. But the server forgets to add the needed intermediate certificates too. The reason it works in your browser that you once browsed a site where the same intermediate CA was used and the browser cached the CA. Probably all browsers do that to help with such misconfigurations, but this does not help if the browser never visited a properly configured site with the right intermediate CA before visiting the misconfigured site.

If you don't believe me try to visit the same site with a fresh firefox profile, you will get the same problems.

Answer 2

Chrome most likely uses platform native store/list of trusted root certificate authorities therefore root CA which is trusted on your desktop platform (i.e. Windows) may not be trusted on Android platform.