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A  U  S  C  E  R  T                                           A  L  E  R  T

                       AL-2007.0005 -- AUSCERT ALERT
                                [Win][OSX]
         MS07-002 - Vulnerabilities in Microsoft Excel Could Allow
                           Remote Code Execution
                              10 January 2007

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        AusCERT Alert Summary
        ---------------------

Product:              Microsoft Office
                      Excel
                      Excel Viewer
                      Microsoft Works Suite
Publisher:            Microsoft
Operating System:     Windows
                      Mac OS X
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-0027 CVE-2007-0028 CVE-2007-0029
                      CVE-2007-0030 CVE-2007-0031

Original Bulletin:    
  http://www.microsoft.com/technet/security/Bulletin/MS07-002.mspx

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MS07-002 - Vulnerabilities in Microsoft Excel Could Allow Remote 
           Code Execution (927198)

Affected Software:
   -Microsoft Office 2000 Service Pack 3
   -Microsoft Office XP Service Pack 3
   -Microsoft Office 2003 Service Pack 2
   -Microsoft Office 2004 for Mac
   -Microsoft Office v. X for Mac
   -Microsoft Excel 2000 
   -Microsoft Excel 2002 
   -Microsoft Excel 2003 
   -Microsoft Office Excel Viewer 2003 
   -Microsoft Works Suite 2004
   -Microsoft Works Suite 2005

Non-Affected Software:
   -2007 Microsoft Office system
   -Microsoft Office Excel 2007
   -Microsoft Works Suite 2006

Full MS07-002 advisory:
   -http://www.microsoft.com/technet/security/Bulletin/MS07-002.mspx


Vulnerability Details

Excel Malformed IMDATA Record Vulnerability - CVE-2007-0027

    A remote code execution vulnerability exists in Microsoft Excel. An attacker
    could exploit this vulnerability when Excel parses a file and processes a
    malformed IMDATA record.
	
Excel Malformed Record Vulnerability - CVE-2007-0028

    A remote code execution vulnerability exists in Microsoft Excel. An attacker
    could exploit this vulnerability when Excel parses a file and processes a
    malformed record.
	
Excel Malformed String Vulnerability - CVE-2007-0029

    Excel does not perform sufficient data validation when processing the
    contents of a file. When Excel opens a specially crafted Excel file and
    parses a malformed string it may corrupt system memory in such a way that
    an attacker could execute arbitrary code.

Excel Malformed Column Record Vulnerability - CVE-2007-0030

    A remote code execution vulnerability exists in Microsoft Excel. An
    attacker could exploit this vulnerability when Excel parses a file and
    processes a malformed Column record.

Excel Malformed Palette Record Vulnerability - CVE-2007-0031

    Excel does not perform sufficient data validation when processing the
    contents of a file. When Excel opens a specially crafted Excel file and
    parses a malformed Palette record, it may corrupt system memory in such
    a way that an attacker could execute arbitrary code.

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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