ConPresso CMS - Multiple Cross Site Scripting and SQL Injection Issues

2006.10.03
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-89

[MajorSecurity Advisory #28]ConPresso CMS - Multiple XSS and SQL Injection Issues Details ======= Product: ConPresso CMS Affected Version: <=4.0.4a Immune Version: 4.0.5a Security-Risk: moderated Remote-Exploit: yes Vendor-URL: http://www.conpresso.com/ Vendor-Status: informed Advisory-Status: published Credits ============ Discovered by: David Vieira-Kurz http://www.majorsecurity.de Original Advisory: ============ http://www.majorsecurity.de/index_2.php?major_rls=major_rls28 Introduction ============ ConPresso CMS is a well known content management system. More Details ============ XSS: Input passed directly to the "nr" parameter in "detail.php", the "msg" parameter in "db_mysql.inc.php" and the "pos" parameter in "index.php" is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. SQL injection: Input passed directly to the "nr" parameter in "index.php" is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code. Fix === Upgrade to newest version(4.0.5a) Solution ============= Edit the source code to ensure that input is properly sanitised. You should work with "htmlspecialchars()" or "htmlentities()" php-function to ensure that html tags are not going to be executed. You should also work with the "mysql_real_escape_string()" or "addslashes()" php-function to ensure that sql statements can't be delivered over the "get" variables. Further it is recommend to set off the "register globals" option in the "php.ini" on your webserver. Example: <?php $pass = htmlentities($_POST['pass']); $test = htmlspecialchars($_GET('test')); $id = intval($_POST['id']); ?> History/Timeline ================ 30.07.2006 discovery of the vulnerability 02.08.2006 additional tests with other versions 03.08.2006 contacted the vendor 04.08.2006 the vendor contacted me(response) 05.08.2006 vendor confirmed the bugs 19.09.2006 new(fixed) version 4.0.5a is available 26.09.2006 advisory is written 29.09.2006 advisory released MajorSecurity ======= MajorSecurity is a German penetration testing and hacking security project which consists of only one person at the present time. I am looking for a partnership. You can find more Information on the MajorSecurity Project at http://www.majorsecurity.de/


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