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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:17 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):

This vulnerability allows to conduct Clear Statistics for interface.

http://192.168.1.1/configuration/qbridgestatsclearintfstats.html?ImBridgeImBridge
Interfaces.ethernet


This vulnerability allows to conduct Flush Dynamic Entries for
interface.

http://192.168.1.1/configuration/qbridgestatsflushintf.html?ImBridge.ImBridgeInte
rfaces.ethernet


In section Egress Ports
(http://192.168.1.1/configuration/qbridge_add_hvmfwdegressp.html?ImBridgeImQb
ridgeFdbs.DefaultFdb.ImQbridgeMcastFdbEntries.FWDALLMCAST.ImQbridgeMcastEntryPort
s
)
via CSRF it's possible to add or delete ports.

XSS (WASC-08):

In section Egress Ports
(http://192.168.1.1/configuration/qbridge_add_hvmfwdegressp.html?ImBridgeImQb
ridgeFdbs.DefaultFdb.ImQbridgeMcastFdbEntries.FWDALLMCAST.ImQbridgeMcastEntryPort
s
)
there are 3 persistent XSS vulnerabilities.

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.

Attend to security of all of yours web sites, web software, devices
and to security audit.

I mentioned about these vulnerabilities at my site
(http://websecurity.com.ua/5213/).

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

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