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  Уязвимости безопасности в ADSL-маршрутизаторе ZTE Callisto 821+

  CSRF vulnerabilities in Callisto 821+R3 ADSL Router

  Vulnerabilities in Callisto 821+R3 ADSL Router

  Vulnerabilities in Callisto 821+R3 ADSL Router

  Multiple DoS, CSRF and XSS vulnerabilities in ADSL modem Callisto 821+

From:MustLive <mustlive_(at)_websecurity.com.ua>
Date:15 июня 2011 г.
Subject:New CSRF and XSS vulnerabilities in ADSL modem Callisto 821+

Hello 3APA3A!

I want to warn you about new security vulnerabilities in ADSL modem
Callisto 821+ (SI2000 Callisto821+ Router).

These are Cross-Site Request Forgery and Cross-Site Scripting
vulnerabilities. In April I've already drew attention of Ukrtelecom's
representative (and this modem was bough at Ukrtelecom) about
multiple vulnerabilities in this model of Callisto modems (and other
models also could be affected).

These attacks should be conducted on modem owner, which is logged
into control panel. Taking into account that it's unlikely to catch
him in this state, then it's possible to use before-mentioned
vulnerabilities (http://websecurity.com.ua/5161/) for conducting of
remote login (for logining him into control panel). After that it's
possible to conduct CSRF or XSS attack.

CSRF (WASC-09):

In section Bridge Interfaces
(http://192.168.1.1/configuration/qbridgeinterface.html) via CSRF
it's possible to edit and delete interfaces.

In section Priority Map for the bridge interface
(http://192.168.1.1/configuration/qbridgeinterfacepri.html?ImBridge.ImBridgeI
nterfaces.ethernet
)
there are 3 CSRF vulnerabilities.

As I found some time ago, all functionality in control panel works
as with POST, as with GET requests. So all earlier-mentioned and new
СSRF and XSS attacks can be conducted beside POST also via GET.

http://192.168.1.1/configuration/qbridgeinterfacepri.
html/edit1?EmWeb_ns%3Avim%3A3=/configuration/qbridgeinterfacepri.
html&EmWeb_ns%3Avim%3A6=ImBridge.ImBridgeInterfaces.
ethernet&EmWeb_ns%3Avim%3A2.ImBridge.ImBridgeInterfaces.
ethernet%3AnumTrafficClasses=8

XSS (WASC-08):

In section Bridge Interfaces
(http://192.168.1.1/configuration/qbridgeinterface.html) there are
persistent XSS vulnerabilities in all text fields and some hidden
fields.

In section Priority Map for the bridge interface
(http://192.168.1.1/configuration/qbridgeinterfacepri.html?ImBridge.ImBridgeI
nterfaces.ethernet
)
there are persistent XSS vulnerabilities in all text fields and some
hidden fields.

Vulnerable is the next model: SI2000 Callisto821+ Router: X7821
Annex A v1.0.0.0 / Argon 4x1 CSP v1.0 (ISOS 9.0) [4.3.4-5.1]. This
model with other firmware and also other models of Callisto also must
be vulnerable.

I mentioned about these vulnerabilities at my site
(http://websecurity.com.ua/5207/).

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua

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