full-disclosure - Re: ASUS RT-N13U Unsecured Telnet on LAN and WAN

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Date: Mon, 4 Nov 2013 05:05:48 -0800
From: Shelby Spencer <pwd_manager@...mail.com>
To: Rob Whitney <xnite@...te.org>, Craig Young <vuln-report@...ur3.us>
Cc: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: ASUS RT-N13U Unsecured Telnet on LAN and WAN

Thanks all for your replies.
Since posting this, I have reflashed the router with the latest firmware, directly from ASUS's website, and the flaw persists.I will try Craig's advice about contacting the tech support email.

Date: Fri, 1 Nov 2013 00:28:02 -0500
From: xnite@...te.org
To: vuln-report@...ur3.us
CC: full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] ASUS RT-N13U Unsecured Telnet on LAN and WAN

That's good news that the newer firmware does not share this issue, but they should patch the old firmware too!

You seem to have amazing patience when reporting such things. I am personally the type of person that will spend all day on the phone with a company until I reach someone who actually knows what I'm talking about & knows who to get ahold of! Until I get ahold of someone who is relevant I find it amazingly difficult to do anything else, it eats away at me until the problem is resolved. LOL.
---R. Whitney / IT Consultant
Mailing Address: PO Box 5984, Bloomington, IL 61702Google Voice: (347)674-4835Blog / Twitter / Github / LinkedIn



On Wed, Oct 30, 2013 at 11:00 AM, Craig Young <vuln-report@...ur3.us> wrote:

I received the same automated response when reporting a handful of

security flaws to Asus.  The following week, I submitted another

message to techsupport@...s.com and received a relevant response

within 24 hours.



On a side note, I checked a different (slightly newer) Asus router

with the most recent firmware and it is not affected -- telnet starts

and stops as expected per the setting in the HTTP UI, the password

remains the same as the admin password, and telnet is not externally

accessible unless the firewall is disabled.



Best Regards,

Craig Young

@CraigTweets



On Tue, Oct 29, 2013 at 9:05 AM, Shelby Spencer <pwd_manager@...mail.com> wrote:

> It should be further noted, that setting a password for the telnet account

> via the /sbin/chpasswd.sh script is only valid until the next reboot when it

> gets wiped out.

>

> After alerting ASUS, I got the following non-reply.  They are not taking the

> problem seriously (they just closed out the ticket with a generic response):

>

> Thank you for contacting ASUS Customer Service.

> My name is Joe and it is my pleasure to help you with your problem.

>

> Thank you for contacting ASUS and providing your feedback. Your information

> has been documented. If you have further questions or concerns, please

> contact us at 812-282-2787 and we will be happy to help you.

>

> Welcome to refer Troubleshooting & FAQ for ASUS products in ASUS website:

> http://support.asus.com/servicehome.aspx?SLanguage=en

>

> If you continue to experience issues in the future, please do not hesitate

> to contact us.

>

> An email survey will be sent to you within the next 5 days. Please be sure

> to rate the service I provided to you today.

>

>

> ________________________________

> From: pwd_manager@...mail.com

> To: full-disclosure@...ts.grok.org.uk

> Date: Mon, 28 Oct 2013 16:33:52 -0700

> Subject: [Full-disclosure] ASUS RT-N13U Unsecured Telnet on LAN and WAN

>

>

> The ASUS RT-N13U home router comes configured with an unsecured telnet for

> user "admin".

> Telnetting in with this user will result in a root shell.  The telnet is not

> configurable from the web interface, nor does changing the password on the

> web interface's admin user make any difference.  I have alerted ASUS to the

> problem on 10/25/13.  I have been able to verify that this telnet interface

> is visible from both the LAN and WAN.

>

> Sincerely,

> Shellster

>

> _______________________________________________ Full-Disclosure - We believe

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> _______________________________________________

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--

-Craig

http://secur3.us/pub_key.asc



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