Crafty Syntax Live Help <= 2.14.6 SQL Injection

2008-08-25 / 2008-08-26
Credit: GulfTech
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-255

########################################################## # GulfTech Security Research August 25, 2008 ########################################################## # Vendor : Eric Gerdes # URL : http://www.craftysyntax.com # Version : Crafty Syntax Live Help <= 2.14.6 # Risk : SQL Injection ########################################################## Description: Crafty Syntax Live Help is a full featured, open source, online support system written in php that allows the visitors of a website to interact in real time with the site owners. There is a couple of high risk SQL Injections in Crafty Syntax Live Help that allows for an attacker to read arbitrary database contents such as user credentials, or administrator credentials. An updated version of Crafty Syntax Live Help is now available and users should upgrade as soon as possible. SQL Injection: There is a high risk SQL Injection issue within Crafty Syntax Live Help that allows for an attacker to read arbitrary database contents such as user credentials, or administrator credentials. The vulnerable bit of code in question can be seen below. if(empty($UNTRUSTED['department'])){ $department=0; } else { $department=$UNTRUSTED['department']; } // Get department information. First found if no specific department assigned $qQry = "SELECT recno,messageemail,colorscheme,leavetxt,creditline,onlineimage,leaveamessage,offlineimage,speaklanguage FROM livehelp_departments " . (($department==0)? 'LIMIT 1': "WHERE recno=$department"); The above code can be found in is_xmlhttp.php, but an almost identical issue can be found within the file is_flush.php also. This SQL Injection issue is present regardless of magic quotes settings, and can be triggered using a url like the one shown below. /is_xmlhttp.php?scriptname=1&department=-99%20UNION%20SELECT%201,2,concat (username,char(58),password),4,5,6,7,8,9%20FROM%20livehelp_users/* Since Crafty Syntax Live Help seems to store passwords in plain text by default, it is a trivial task for an attacker to gain administrative access to the installation after exploiting this issue. Solution: An updated version of Crafty Syntax Live Help has been released and can be found at the location below. http://security.craftysyntax.com/updates/?v=2.14.6 Credits: James Bercegay of the GulfTech Security Research Team Related Info: The original advisory can be found at the following location http://www.gulftech.org/?node=research&article_id=00127-08252008

References:

http://www.gulftech.org/?node=research&article_id=00127-08252008
http://www.securityfocus.com/archive/1/archive/1/495729/100/0/threaded


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