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

                       AL-2007.0006 -- AUSCERT ALERT
                                   [Win]
        MS07-003 - Vulnerabilities in Microsoft Outlook Could Allow
                           Remote Code Execution
                              10 January 2007

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

Product:              Microsoft Outlook
                      Microsoft Office
Publisher:            Microsoft
Operating System:     Windows
Impact:               Execute Arbitrary Code/Commands
                      Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-1305 CVE-2007-0033 CVE-2007-0034

Original Bulletin:    
  http://www.microsoft.com/technet/security/Bulletin/MS07-003.mspx

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MS07-003 - Vulnerabilities in Microsoft Outlook Could Allow Remote 
           Code Execution (925938)

Affected Software:
   -Microsoft Office 2003 Service Pack 2
   -Microsoft Office XP Service Pack 3
   -Microsoft Office 2000 Service Pack 3
   -Microsoft Outlook 2003 
   -Microsoft Outlook 2002 
   -Microsoft Outlook 2000 

Non-Affected Software:
   -Microsoft Office 2007
   -Microsoft Office Outlook 2007

Full MS07-003 advisory:
   -http://www.microsoft.com/technet/security/Bulletin/MS07-003.mspx


Vulnerability Details

Microsoft Outlook VEVENT Vulnerability - CVE-2007-0033

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

Microsoft Outlook Denial of Service Vulnerability  CVE-2006-1305

    A denial of service vulnerability exists in Outlook in its processing of
    e-mail header information. An attacker who successfully exploited the
    vulnerability could send a malformed e-mail to a user of Outlook that
    would cause the Outlook client to fail under certain circumstances. The
    Outlook client would continue to fail so long as the malformed e-mail
    message remained on the e-mail server. The e-mail message could be deleted
    by an e-mail administrator, or by the user via another e-mail client such
    as Outlook Web Access or Outlook Express, after which point the Outlook
    client would again function normally.

Microsoft Outlook Advanced Find Vulnerability - CVE-2007-0034

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

    An attacker could try to exploit the vulnerability by creating a
    specially crafted .oss file in a specially crafted e-mail and send
    it to a user of Outlook who connects to a POP, IMAP or HTTP server
    to retrieve their e-mail.

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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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