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TUCoPS :: Web :: Servers :: web5994.htm

Lotus Domino Web Server iNotes Overflow



17th Feb 2003 [SBWID-5994]
COMMAND

	Lotus Domino Web Server iNotes Overflow

SYSTEMS AFFECTED

	Lotus Domino Release 6.0

PROBLEM

	Thanks to  David  Litchfield  [david@ngssoftware]  and  Mark  Litchfield
	[mark@ngssoftware.com]  of  NGSSoftware   Insight   Security   Research,
	advisory [#NISR17022003b] :
	
	Lotus  Domino  and  Notes  together  provide   a   featured   enterprise
	collaboration system with Domino providing application server  services.
	iNotes provides web based messaging facilities.
	
	 Details
	 *******
	
	iNotes suffers from  a  remotley  exploitable  buffer  overrun  when  an
	attacker provides an overly long  value  for  the  s_ViewName/Foldername
	options of the PresetFields parameter when  requesting  web  based  mail
	services. Any code supplied would run in the  security  context  of  the
	account running the Domino Web Services.

SOLUTION

	 Fix Information
	 ***************
	
	NGSSoftware alerted IBM/Lotus to this  issue  on  the  14th  of  January
	2002. IBM Lotus Notes and Domino Release  6.0.1  is  now  available  and
	being marketed as the first maintenance release. IBM  say  if  customers
	haven't already upgraded or migrated to Notes and Domino 6, now  is  the
	time to move and start reaping the benefits of this existing and  highly
	praised release. Release 6.0.1 includes fixes  to  enhance  the  quality
	and reliability of the Notes and Domino 6 products. It does not  however
	mention any security issues, and NGS would strongly  advise  to  upgrade
	as soon as possible not to just to "reap the  benefits"  but  to  secure
	the server and data against possible attacks.
	
	The upgrade / patch can be obtained from
	
	http://www14.software.ibm.com/webapp/download/search.jsp?q=&cat=&pf=&k=&dt=&
	go=y&rs=ESD-NOTECLNTi&S_TACT=&S_CMP=&sb=r
	
	A check for this issue has been added to DominoScan R2, a  comprehensive
	automated intelligent assessment tool for Lotus Domino Servers of  which
	more information is available from the NGSSite
	
	http://www.ngssoftware.com/software/dominoscan.html
	
	
	 Further Information
	 *******************
	
	For further information about the scope and effects of buffer overflows,
	please see
	
	http://www.ngssoftware.com/papers/non-stack-bo-windows.pdf
	http://www.ngssoftware.com/papers/ntbufferoverflow.html
	http://www.ngssoftware.com/papers/bufferoverflowpaper.rtf
	http://www.ngssoftware.com/papers/unicodebo.pdf
	
	 About NGSSoftware
	 *****************
	
	NGSSoftware design, research and develop intelligent, advanced application
	security assessment scanners. Based in the United Kingdom, NGSSoftware have
	offices in the South of London and the East Coast of Scotland. NGSSoftware's
	sister company NGSConsulting, offers best of breed security consulting
	services, specialising in application, host and network security
	assessments.
	
	http://www.ngssoftware.com/
	http://www.ngsconsulting.com/
	
	Telephone +44 208 401 0070
	Fax +44 208 401 0076
	
	enquiries@ngssoftware.com
	


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