The thing is - security is a broad field. There is no such a rule that "you have to provide a security solution using a single tool".
If you want to waste your webserver resources instead of simply banning via firewall - it's up to you, but it's a rule of thumb. On Thursday, July 18, 2013 9:51:18 AM UTC+12, Hugh Davenport wrote: > > If I > use a project that I must rely on a third party tool /foobar/ *just* to > get > the project in a secure stable state, then that project is not doing it > right. > Cheers, > > Hugh > > On 2013-07-17 21:26, Ivan Kurnosov wrote: > > 2. In government just a regular people work, not gods. They have their > > own preferences :-) > > > > 3. As I said - it's reeeeeeeeeeeeeeeally trivial > > > > The thing is - even if there was no such "vulnerability" - you still > > would be able to "DOS" silverstripe-based site with a bunch of > > requests just because the cost of generating a request is dramatically > > higher than the cost of a generating responses. > > > > So the "issue" is overrated. For someone who can google and is not a > > total dumb - any level7 attack issues can be solved easily. > > > > On 17 July 2013 21:20, Petah <[email protected] <javascript:>> wrote: > > > >> There are a few questions to raise here: > >> > >> 1. Why can a member of the public flush the cache? > >> > >> 2. Why has the NZ government chosen Silver Stripe over something > >> like Drupal, or other alternatives? > >> > >> 3. Does the government service providers have the knowhow and > >> capabilities to detect and prevent such attacks? > >> > >> 4. If someone did manage to use this, or something similar, what > >> websites would it effect and how would the public be affected? > >> > >> > >> > >> On Wed, Jul 17, 2013 at 9:07 PM, Ivan Kurnosov > >> <[email protected]<javascript:>> > > >> wrote: > >> > >> It's actually pretty obvious that non-cached page takes longer to > >> generate (while I agree it's weird they provide a switch to flush > >> the cache) :-) Anyway, it's well known that the most resources > >> consuming part of almost every project is captcha generating > >> endpoint. > >> > >> On 17 July 2013 21:04, Christopher Tombleson > >> <[email protected]<javascript:>> > > >> wrote: > >> > >> True. But it a silly code error should have never been there in the > >> first place. > >> > >> On Wed, Jul 17, 2013 at 8:59 PM, Ivan Kurnosov > >> <[email protected]<javascript:>> > > >> wrote: > >> It's a pretty script-kiddy attack that can be defended in minutes > >> using dummy fail2ban, after rule is applied your traffic would > >> produce literally no noticeable influence on the project > >> > >> On Wednesday, July 17, 2013 6:16:40 PM UTC+12, chtombleson wrote:Hi, > >> > >> I have recently noticed a DOS vulnerability in Silverstripe 3, > >> I did some testing and it turned out I was right, > >> you can find my results here: > >> http://blog.cribznetwork.com/2013/07/silverstripe-3-dos-vulnerable/ > >> [1] > >> > >> Cheers, > >> Christopher Tombleson > >> > >> -- > >> -- > >> NZ PHP Users Group: http://groups.google.com/group/nzphpug [2] > >> To post, send email to [email protected] <javascript:> > >> To unsubscribe, send email to > >> [email protected] <javascript:> > >> --- > >> You received this message because you are subscribed to the Google > >> Groups "NZ PHP Users Group" group. > >> To unsubscribe from this group and stop receiving emails from it, > >> send an email to [email protected] <javascript:>. > >> For more options, visit https://groups.google.com/groups/opt_out > >> [3]. > >> > >> > > > > -- > > Christopher Tombleson. > > http://cribznetwork.com [4] > > > > -- > > -- > > NZ PHP Users Group: http://groups.google.com/group/nzphpug [2] > > To post, send email to [email protected] <javascript:> > > To unsubscribe, send email to > > [email protected] <javascript:> > > --- > > You received this message because you are subscribed to the Google > > Groups "NZ PHP Users Group" group. > > To unsubscribe from this group and stop receiving emails from it, > > send an email to [email protected] <javascript:>. > > For more options, visit https://groups.google.com/groups/opt_out [3]. > > > > > > > > -- > > With best regards, Ivan Kurnosov > > > > -- > > -- > > NZ PHP Users Group: http://groups.google.com/group/nzphpug [2] > > To post, send email to [email protected] <javascript:> > > To unsubscribe, send email to > > [email protected] <javascript:> > > --- > > You received this message because you are subscribed to the Google > > Groups "NZ PHP Users Group" group. > > To unsubscribe from this group and stop receiving emails from it, > > send an email to [email protected] <javascript:>. > > For more options, visit https://groups.google.com/groups/opt_out [3]. > > > > > > > > -- > > -- > > NZ PHP Users Group: http://groups.google.com/group/nzphpug [2] > > To post, send email to [email protected] <javascript:> > > To unsubscribe, send email to > > [email protected] <javascript:> > > --- > > You received this message because you are subscribed to the Google > > Groups "NZ PHP Users Group" group. > > To unsubscribe from this group and stop receiving emails from it, > > send an email to [email protected] <javascript:>. > > For more options, visit https://groups.google.com/groups/opt_out [3]. > > > > > > > > -- > > With best regards, Ivan Kurnosov > > > > -- > > -- > > NZ PHP Users Group: http://groups.google.com/group/nzphpug [2] > > To post, send email to [email protected] <javascript:> > > To unsubscribe, send email to > > [email protected] <javascript:> > > --- > > You received this message because you are subscribed to the Google > > Groups "NZ PHP Users Group" group. > > To unsubscribe from this group and stop receiving emails from it, > > send an email to [email protected] <javascript:>. > > For more options, visit https://groups.google.com/groups/opt_out [3]. > > > > > > > > Links: > > ------ > > [1] http://blog.cribznetwork.com/2013/07/silverstripe-3-dos-vulnerable/ > > [2] http://groups.google.com/group/nzphpug > > [3] https://groups.google.com/groups/opt_out > > [4] http://cribznetwork.com > -- -- NZ PHP Users Group: http://groups.google.com/group/nzphpug To post, send email to [email protected] To unsubscribe, send email to [email protected] --- You received this message because you are subscribed to the Google Groups "NZ PHP Users Group" group. 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