I'm sure this has been the source of many targeted advertising SMS's and calls during the last years.
And probably many advertisers are digging the logs now: http://www.zdnet.co.uk/news/security/2010/08/31/orange-spain-reveals-phone-numbers-researcher-40089965/ Juha-Matti B1towel [[email protected]] kirjoitti: > It would be funny to see advertisers send targeted SMS ads using this. I bet > that the advertisers of web sites that participate in iframe ads would also > get this information, assuming the Phone would load up iframe ads. > > I think the provider should fix this, because if someone developed an exploit > similar to the one that was able to compromise the iPhone a while back just > by sending a maliciously formed SMS message, your phone could be compromised > just by going to a website where this information is sent to the web server. > > I know this is pretty obvious, just my 2 cents. > > On Aug 30, 2010, at 7:00 AM, [email protected] wrote: > > > > > Message: 2 > > Date: Sun, 29 Aug 2010 21:09:50 +0200 > > From: "xufi ." <[email protected]> > > Subject: [Full-disclosure] Orange Spain disclosing user phone number > > To: [email protected] > > Message-ID: > > <[email protected]> > > Content-Type: text/plain; charset=ISO-8859-1 > > > > Hi, > > Doing an assessment on mobile GWs I found that Orange Spain is adding > > the user MSISDN in any HTTP request sent in it?s network. That means > > that is really simple to get the user phone number from a Orange Spain > > user. On one hand, I saw that Orange Spain uses the header > > x-up-calling-line-id to add a user temporary ID that changes every 24h > > but I also found that in any HTTP request they will add the user phone > > number in the header X-Network-info. In particular the HTTP header > > looks like as follow: > > > > X-Network-info: CSD,34xxxxxxxxx,unsecured > > > > where xxxxxxxxx is the user MSISDN > _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
