full-disclosure - Re: Alice Telecom Italia AGPF ADSL router CSRF reconfiguration

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Date: Sun, 2 Sep 2012 18:47:40 +0200
From: David3 <netevil@...kers.it>
To: Emilio Pinna <emilio.pinn@...il.com>
Cc: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: Alice Telecom Italia AGPF ADSL router CSRF
	reconfiguration

Ciao Emilio,
Is this vulnerability exploitable locally then? My Alice router is not here and I would like to test it...are there any chances to revert the conf from remote with your poc? 

Thanks!
davide

Sent from my mobile 

Il giorno 02/set/2012, alle ore 14:03, Emilio Pinna <emilio.pinn@...il.com> ha scritto:

> ################# Alice Telecom Italia AGPF ADSL router CSRF
> reconfiguration #################
> 
> ## ABSTRACT
> 
> An huge number of ADSL broadband Italian users are vulnerable to
> connection wiretapping and phishing. The most widely distribuited
> italian ADSL router Alice Gate 2 Plus Voip Wi-Fi (AGPF), produced by
> Pirelli, suffers a CSRF attack that allows an attacker to modify
> internal router configuration like DNS servers, traffic routing, VoIP
> configurations, DHCP parameters, and and other configurations that may
> lead to a complete takeover of the user's ADSL connection. The
> technique is also useful to enable hidden feature and
> telnet/ftp/tftp/web extended admin interface.
> 
> ## VENDOR: Alice Telecom Italia Modem/Routers manufactered by Pirelli
> ## MODEL: AGPF[Alice Gate VoIP 2 Plus Wi-Fi] version < 2.6.0
> ## PLATFORM: Customized Linux with openrg middleware on Broadcom
> BCM96348 chipset.
> ## VULNERABILITY: CSRF and configuration injection via HTTP POST parameter
> ## EMAIL: emilio.pinn gmail
> ## AUTHOR: Emilio Pinna
> ## RISK: high
> 
> More details are published in Dissecting blog:
> 
> Introduction: http://disse.cting.org/2012/09/02/alice-gate-agpf-csrf-reconf-vulnerability/
> Technical details:
> http://disse.cting.org/2012/09/02/alice-gate-agpf-csrf-reconf-vulnerability-details/
> POC: http://disse.cting.org/codes/alice.html
> 
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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/