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53 lines
2.2 KiB
Text
Executable file
53 lines
2.2 KiB
Text
Executable file
Crafty Syntax Live Help <= 2.14.6 SQL Injection
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August 25, 2008
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Vendor : Eric Gerdes
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URL : http://www.craftysyntax.com
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Version : Crafty Syntax Live Help <= 2.14.6
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Risk : SQL Injection
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Description:
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Crafty Syntax Live Help is a full featured, open source, online support
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system written in php that allows the visitors of a website to interact
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in real time with the site owners. There is a couple of high risk SQL Injections
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in Crafty Syntax Live Help that allows for an attacker to read arbitrary database
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contents such as user credentials, or administrator credentials. An updated version
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of Crafty Syntax Live Help is now available and users should upgrade as soon as possible.
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SQL Injection
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There is a high risk SQL Injection issue within Crafty Syntax Live Help that allows for
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an attacker to read arbitrary database contents such as user credentials, or administrator
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credentials. The vulnerable bit of code in question can be seen below.
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if(empty($UNTRUSTED['department'])){ $department=0; } else { $department=$UNTRUSTED['department']; }
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// Get department information. First found if no specific department assigned
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$qQry = "SELECT recno,messageemail,colorscheme,leavetxt,creditline,onlineimage,leaveamessage,offlineimage,speaklanguage FROM livehelp_departments "
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. (($department==0)? 'LIMIT 1': "WHERE recno=$department");
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The above code can be found in is_xmlhttp.php, but an almost identical issue can
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be found within the file is_flush.php also. This SQL Injection issue is present
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regardless of magic quotes settings, and can be triggered using a url like the one shown below.
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/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/*
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Since Crafty Syntax Live Help seems to store passwords in plain text by default, it
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is a trivial task for an attacker to gain administrative access to the installation
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after exploiting this issue.
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Solution:
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An updated version of Crafty Syntax Live Help has been released and can be found at the location below.
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http://security.craftysyntax.com/updates/?v=2.14.6
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Credits:
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James Bercegay of the GulfTech Security Research Team
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# milw0rm.com [2008-08-25]
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