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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 DoS, 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 Denial of Service, 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 DoS, CSRF or XSS attack.

DoS (WASC-10):

http://192.168.1.1/configuration/ports.html?120

At this request the restart of modem occurs.

CSRF (WASC-09):

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.

In section RIP Port Configuration (http://192.168.1.1/configuration/ports.html?10) via
CSRF it's possible to change parameters of RIP port.

In section Advanced RIP Port Configuration
(http://192.168.1.1/configuration/ports_advanced.html?10) via CSRF it's possible to
change parameters of RIP port.

In section Bridge Port Configuration (http://192.168.1.1/configuration/ports.html?12)
via CSRF it's possible to change parameters of Bridge port.

In section Advanced Bridge Port Configuration
(http://192.168.1.1/configuration/ports_advanced.html?12) via CSRF it's possible to
change parameters of Bridge port.

XSS (WASC-08):

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.

In section RIP Port Configuration (http://192.168.1.1/configuration/ports.html?10)
there are persistent XSS vulnerabilities in all text fields and some hidden fields.

In section Advanced RIP Port Configuration
(http://192.168.1.1/configuration/ports_advanced.html?10) there are persistent XSS
vulnerabilities in all text fields and some hidden fields.

In section Bridge Port Configuration (http://192.168.1.1/configuration/ports.html?12)
there are persistent XSS vulnerabilities in some text fields and some hidden fields.

In section Advanced Bridge Port Configuration
(http://192.168.1.1/configuration/ports_advanced.html?12) there are persistent XSS
vulnerabilities in some 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/5231/).

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

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