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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:27 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):

Besides earlier-mentioned pages 8, 10, 12, 95 and 96 for configuration of ports, there
are many other sections in range 1..196 (where there is a form with parameters, which
is vulnerable to CSRF). These sections are hidden (they are not shown in admin panel),
but it's possible to get to them by setting corresponding number in URL.

Particularly in section Ip App Port Configuration
(http://192.168.1.1/configuration/ports.html?194), last working section, via CSRF it's
possible to change parameters of Ip App port.

In section Advanced Ip App Port Configuration
(http://192.168.1.1/configuration/ports_advanced.html?194) via CSRF it's possible to
change parameters of Ip App port.

XSS (WASC-08):

Besides earlier-mentioned pages 8, 10, 12, 95 and 96 for configuration of ports, there
are many other sections in range 1..196 (where there is a form with parameters, in
which there are persistent XSS vulnerabilities). These sections are hidden (they are
not shown in admin panel), but it's possible to get to them by setting corresponding
number in URL.

Particularly in section Ip App Port Configuration
(http://192.168.1.1/configuration/ports.html?194), last working section, there are
persistent XSS vulnerabilities in all text fields and some hidden fields.

In section Advanced Ip App Port Configuration
(http://192.168.1.1/configuration/ports_advanced.html?194) 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/5237/).

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

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