full-disclosure - Re: Nokia phone forcing traffic through proxy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <C97417C4-4E4A-4DF3-B8BB-DCDCD0B035F9@whiuk.com>
Date: Fri, 7 Dec 2012 20:01:45 +0000
From: Philip Whitehouse <philip@...uk.com>
To: "noloader@...il.com" <noloader@...il.com>
Cc: full-disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Re: Nokia phone forcing traffic through proxy

On 7 Dec 2012, at 19:03, Jeffrey Walton <noloader@...il.com> wrote:

> On Fri, Dec 7, 2012 at 11:55 AM, Gaurang Pandya <gaubrig@...oo.com> wrote:
>> It has been noticed that internet browsing traffic, instead of directly
>> hitting requested server, is being redirected to proxy servers. They get
>> redirected to Nokia/Ovi proxy servers if Nokia browser is used, and to Opera
>> proxy servers if Opera Mini browser is used.
>> 
>> More detailed info at :
>> http://gaurangkp.wordpress.com/2012/12/05/nokia-proxy/
> It sounds a lot like http://click-fraud-fun.blogspot.com/.
> 
> We know proxies can cause a lot of trouble in practice. For example,
> http://blog.cryptographyengineering.com/2012/03/how-do-interception-proxies-fail.html.
> 
> Proxies and data snatching are the reason to pin certificates when
> using VPN and SSL/TLS if a pre-existing relationship exists (for
> example, you know the host and its public key). Are you talking to an
> Nokia/Ovi proxy, an Interception proxy (perhaps enabled by Trustwave),
> or the host expected during a SSL/TLS negotiation?
> 
> We now have a much better body of knowledge. Its too bad most browser
> don't offer the features for those who are security conscious. On
> Android, Google went so far as to offer pinning as "opt-in" for sites:
> http://groups.google.com/group/android-security-discuss/browse_thread/thread/f5898be7ee9abc48.
> 
> Jeff

BlackBerry does this, Amazon Kindle Fire almost certainly does it, for caching purposes. I'm not sure whether that's why the Nokia phone is doing it though - you need a good infrastructure to support it.

Regards,

Philip Whitehouse
_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/