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28110 posts

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  # 1790865 29-May-2017 07:21
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jeffory123:

 

I certainly was not made aware of any remote maintenance capability when I signed up with both Spark and Vodafone. The one good thing this article has done despite it's flaws is made people more aware of the fact so they can then educate themselves on the matter and then make an informed decision on whether to disable any remote access capability to their modem.

 

 

And if you knew anything about security you'd realise that like disabling Windows updates, disabling TR-069 would be a massive mistake from a security perspective.  

 

The great aspect of TR-069 is that it improves the issue of end user security literally ten-fold. There are so many users with 3rd party routers that have been subjected to security exploits in recent times, and many of those people would be completely unaware of the issue. Own a late model Linksys router? They were all pwn3d last month. Own a Belkin? They've been pwn3d too. Own a D-link? They're been pwn3d too.

 

By being able to manage CPE if Spark, Vodafone, 2degrees or any RSP that uses TR-069 have critical issues with their CPE they're able to push updates out to mitigate the risk. If you own 3rd party CPE you're on your own.

 

 

 

 


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  # 1790990 29-May-2017 10:58
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sbiddle:

 

jeffory123:

 

I certainly was not made aware of any remote maintenance capability when I signed up with both Spark and Vodafone. The one good thing this article has done despite it's flaws is made people more aware of the fact so they can then educate themselves on the matter and then make an informed decision on whether to disable any remote access capability to their modem.

 

 

And if you knew anything about security you'd realise that like disabling Windows updates, disabling TR-069 would be a massive mistake from a security perspective.  

 

The great aspect of TR-069 is that it improves the issue of end user security literally ten-fold. There are so many users with 3rd party routers that have been subjected to security exploits in recent times, and many of those people would be completely unaware of the issue. Own a late model Linksys router? They were all pwn3d last month. Own a Belkin? They've been pwn3d too. Own a D-link? They're been pwn3d too.

 

By being able to manage CPE if Spark, Vodafone, 2degrees or any RSP that uses TR-069 have critical issues with their CPE they're able to push updates out to mitigate the risk. If you own 3rd party CPE you're on your own.

 

 

 

 

Not to mention people like this "security expert" buying a new router, loading some openwrt variant and then not configuring the firewall and getting smashed by DNS bots and the like. But then again, thats probably "all the ISPs fault" and their rubbish network.

 

Had an "IT guy" tell me exactly that recently, he couldn't understand why his connection was so slow after he removed our router and installed his own $800 cisco beast and didn't understand what an ACL was!! It was then, of course, Cisco's fault because "how crazy are they sending out routers like this?!". Our $100 Mikrotik went right back in place haha.

 

 

 

Just because a router is cheap doesn't automatically make it rubbish. Get off your dam high horse!!


 
 
 
 


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  # 1790997 29-May-2017 11:07
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Why is this being called a backdoor? Its a pretty clear feature of ISP managed hardware, not some nefarious service running on an obscure port that only answers to a hidden string or something. This is no back door.





Richard rich.ms

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  # 1791012 29-May-2017 11:30
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Back around 2008, noticed our ADSL had stopped working.  This persisted for about a week.

 

A call to Telecom revealed they had remotely-disabled our (Telecom supplied) D-link modem because it had been compromised and was being used in DDoS attacks.

 

So if the info given at the time was accurate, the ability was there back then.

 

 





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  # 1791018 29-May-2017 11:45
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MikeAqua:

Back around 2008, noticed our ADSL had stopped working.  This persisted for about a week.

 

A call to Telecom revealed they had remotely-disabled our (Telecom supplied) D-link modem because it had been compromised and was being used in DDoS attacks.

 

So if the info given at the time was accurate, the ability was there back then.

 

 

 

 

Just as likely they reset your authentication password and kicked you offline. Xtra historically use a different authentication record for this than for other services so it wouldn't disrupt (say) your email service to do this.




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  # 1791020 29-May-2017 11:47
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Yeah they have a quarantine IP range they put you in, so the intervention was most likely network level.

 

 

I don't think Spark actively use TR-069 to deliver firmware updates or for remote management and provisioning (they don't do RGW voice), unlike Vodafone, 2degrees and some other smaller players.

 
 
 
 


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  # 1791042 29-May-2017 12:16
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heres a screenshot of what the "remote management" aka backdoor looks like on the HG659 from spark

 

 

 





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  # 1791047 29-May-2017 12:29
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This reminds me I must do something about the backdoor 





Mike
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The views stated in my posts are my personal views and not that of any other organisation.

 

Using empathy takes no energy and can gain so much. Try it.

 

 


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  # 1791049 29-May-2017 12:43
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The only time I have had an issue with this system was when I was with Snap..

 

The system kept trying to push out an update that would throw my router into a reboot cycle, I had to disconnect it from the net and delete their account.

 

But overall I see nothing wrong with it.

 

 

 

 


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  # 1791063 29-May-2017 13:01
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And ... what about this one? Maybe it is where the Herald stole got their information from?

 

 





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  # 1791084 29-May-2017 13:42
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Rikkitic:

 

And ... what about this one? Maybe it is where the Herald stole got their information from?

 

 

 

 

Have you actually read that post? They looked at attacks on ACS *servers*, not the clients (ie your router).

 

 

 

 


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  # 1791089 29-May-2017 13:53
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BlakJak:
MikeAqua:

 

Back around 2008, noticed our ADSL had stopped working.  This persisted for about a week.

 

A call to Telecom revealed they had remotely-disabled our (Telecom supplied) D-link modem because it had been compromised and was being used in DDoS attacks.

 

So if the info given at the time was accurate, the ability was there back then.

 

 

Just as likely they reset your authentication password and kicked you offline. Xtra historically use a different authentication record for this than for other services so it wouldn't disrupt (say) your email service to do this.

 

Quite possibly. But we weren't getting log in errors or anything like that.

 

I assumed on good faith I was given the true story.  Perhaps they were "using complexity to confuse customers"laughing

 

After firmware update and background actions by the Tcom CSR all was well again.  I was a bit perplexed they made no attempt to contact us and let us know.  Just deny service and wait for the fault call yell

 

I provide my own routers now ...

 

 

 

 

 

 





Mike

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  # 1791099 29-May-2017 14:10
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sbiddle:

 

Rikkitic:

 

And ... what about this one? Maybe it is where the Herald stole got their information from?

 

 

Have you actually read that post? They looked at attacks on ACS *servers*, not the clients (ie your router).

 

 

I read some of it. Admittedly not all. My bad.

 

 

 

 

 

 





I reject your reality and substitute my own. - Adam Savage
 


'That VDSL Cat'
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  # 1791151 29-May-2017 15:08
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Currently spark use the motive platform, as do most large RSP's who provide Huawei devices.

 

 

 

I can clearly speak from the spark position of things where strict rules are in-place for use of the remote management.

 

This comes down to everything must be documented, Reports are ran on usage on remote management.

 

 

 

For the most part, this system is actually extremely limited, designed to give a rep just enough power to check settings, maybe push a change or two to the wifi networks.

 

 

 

Generally support path for any modem changes are, the customer makes the change themselves, or gives permission to make said changes.

 

 

 

Personally, remote management is a massive tool in the kit, in my own usage i don't use the tool as much as i /could/ as i don't really see it having /enough/ access to the more difficult of situations (Classic one being, the Physical wifi button on the modem, Customer accidentally presses this... there is no remote management that will resolve this, Customer has made a point of changing something so they need to resolve it.)

 

 

 

Remote management tasks such as a full fresh configuration being pushed out (aka a reset) must be done with full permission from the customer with risks explained.

 

Personally i reset maybe 2 modems max in a month, Generally far less because it simply is not required.

 

99% of the time, this is done by the customer physically accepting the risks and pressing the buttons, However before even considering this i will give the device check, Have they allocated any internal static ips, Opened a port, changed the wifi name. These are all red flags to say hey There are some customized settings in your modem, are you absolutely sure it is okay to remove them or are we best backing up the settings first.

 

 

 

If anyone has any genuine security concerns about remote management and their spark devices, feel free to raise it. Assuming it is something i can explain I'll gladly explain that angle.

 

as others have said, TR-069 is nothing new, it can be powerful but is deliberately boxed within a closed point so that there can be no risk of harm.





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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


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