Censor Pages Allow Injection Attacks & Arbitrary URLs

Censor Pages Allow Injection Attacks & Arbitrary URLs

BT, Sky Broadband and Talk Talk have implemented opt-out Network level filtering for their customers.

The thing is, as well as overblocking websites that should not be filtered the ISPs have poorly implementated their block pages.

http://makeyourispblock.me/ was registered at 2am on the 22nd of December but due to the badly designed block pages it can be made to be shown as blocked.

Sky Broadband Block Page
BT Broadband Block Page
Talk Talk Broadband Block Page

newsnight_BBC

BBC Newsnight exposes Filter Overblocking

As the four ISPs who are spearheading the ill-fated UK Internet filters are on the eve of rolling out their solutions the BBCs Newsnight program experimented the filters and unsurprisingly encountered distressing overblocking.

BT blocked sites including Sexual Health Scotland, Doncaster Domestic Abuse Helpline, and Reducing The Risk, a site which tackles domestic abuse.BBC

Let’s not forget that back in June Ms Perry dismissed concerns about overblocking as a “load of cock” and yet here is the BBC telling the world that at the behest of the UK Government our ISPs are preventing people from accessing help after being raped or having suffered from domestic abuse.

After being confronted by the errors the ISPs had the following to say for themselves;

Sadly there is no silver bullet when it comes to internet safety and we have always been clear that no solution can ever be 100%. We continue to develop HomeSafe and welcome feedback to help us continually improve the service.TalkTalk

We know that no one single technology currently provides all the answers. That’s why we have a quick and easy way for misclassified sites to be unblocked. Any Sky home has the ability to fully customise their filters.Sky

Categorisations are constantly updated to keep pace with changing content on the internet and we will investigate any concerns and make changes as necessary. BT Parental Controls can be customised to suit each individual family’s needs.BT

You can read the full article here.