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Net Clubs Pro XSS vuln
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Vuln. discovered by : r0t
Date: 20 april 2006
vendor:www.aasimedia.com/nc/nc.shtml
affected versions:4.0 and prior
orginal advisory:
http://pridels.blogspot.com/2006/04/net-clubs-pro-xss-vuln.html
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Vuln. Description:
Net Clubs Pro contains a flaws that allows a remote cross site scripting
attacks.
Those flaws exists because input passed to
"onuser","pass","chatsys","room",
"username","to" parameter in
"/vchat/scripts/sendim.cgi" and input passed to"username" paremter in
"/vchat/scripts/imessage.cgi" and input passed to"password" parameter in "
login.cgi" and input passed to "cat_id" parameter in
"classifieds/viewcat.cgi" isn't properly sanitised before being returned to
the user.
This could allow a user to create a specially crafted URL that would execute
arbitrary code in a user's browser within the trust relationship between the
browser and the server, leading to a loss of integrity.
examples:
//cgi-bin/netclubs//vchat/scripts/imessage.cgi?
toto=&to=&sentby=&fromuser=r0t&command=change
font&username=[XSS]
//cgi-bin/netclubs//vchat/scripts/sendim.cgi?
onuser=[XSS]
//cgi-bin/netclubs//vchat/scripts/sendim.cgi?
onuser=r0t&pass=[XSS]
//cgi-bin/netclubs//vchat/scripts/sendim.cgi?
onuser=r0t&pass=&chatsys=[XSS]
//cgi-bin/netclubs//vchat/scripts/sendim.cgi?
onuser=r0t&pass=&chatsys=netclubs&searchstri
ng=netclubs&room=[XSS]
//cgi-bin/netclubs//vchat/scripts/sendim.cgi?
onuser=r0t&pass=&chatsys=netclubs&searchstri
ng=netclubs&room=&username=[XSS]
//cgi-bin/netclubs//vchat/scripts/sendim.cgi?
onuser=r0t&pass=&chatsys=netclubs&searchstri
ng=netclubs&room=&username=&to=[XSS]
//cgi-bin/netclubs//login.cgi?username=r0t&
password=[XSS]
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Solution:
Edit the source code to ensure that input is properly sanitised.
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gr33tZ:der4444,VietMafia,cembo!
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More information @ unsecured-systems.com/forum/
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