bugtraq - osTicket v1.6 RC4 Admin Login Blind SQLi

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Date: Fri, 26 Jun 2009 22:12:15 -0700 (PDT)
From: Adam Baldwin <adam_baldwin@...l.ngenuity-is.com>
To: bugtraq@...urityfocus.com
Subject: osTicket v1.6 RC4 Admin Login Blind SQLi

nGenuity Information Services - Security Advisory

    Advisory ID: NGENUITY-2009-007 osTicket Admin Login Blind SQL Injection
    Application: osTicket v1.6 RC4
         Vendor: osTicket
Vendor website: http://www.osticket.com
         Author: Adam Baldwin (adam_baldwin@...nuity-is.com)

   I. BACKGROUND
     "osTicket is a widely-used open source support ticket system. It 
seamlessly
     integrates inquiries created via email and web-based forms into a 
simple
     easy to use multi-user web interface. Easily manage, organize and 
archive
     all your support requests and responses in one place while providing 
your
     clients with accountability and responsiveness they deserve." [1]

   II. DETAILS
     osTicket prior to v1.6 RC5 fails to validate / escape staff usernames 
which
     can be abused to execute a blind sql injection attack by an 
unauthenticated
     attacker.

     The vendor has provided a new release v1.6 RC5 which addresses this 
vulnerability.
     They have also provided patching instructions [2] should you be unable 
to perform
     a full upgrade at this time.

     One sample attack string might look similar to the following:
     '+(SELECT 
IF(SUBSTRING(passwd,1,1)=CHAR(48),BENCHMARK(1000000,SHA1(1)),0) passwd
     FROM ost_staff where staff_id=1) and '1'='1

   III. REFERENCES
     [1] - http://www.osticket.com
     [2] - http://osticket.com/forums/project.php?issueid=118

   IV. VENDOR COMMUNICATION
     3.25.2009 - Vulnerability Discovery
     3.25.2009 - Vendor notification & initial vendor response
     6.26.2009 - Vendor releases fix in osTicket v1.6 RC5

Copyright (c) 2009 nGenuity Information Services, LLC