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             AUSCERT External Security Bulletin Redistribution

                               ESB-2010.1144
         Vulnerabilities in Microsoft Publisher Could Allow Remote
                         Code Execution (2292970)
                             15 December 2010

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Microsoft Publisher 2002
                   Microsoft Publisher 2003
                   Microsoft Publisher 2007
                   Microsoft Publisher 2010
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2010-3955 CVE-2010-3954 CVE-2010-2571
                   CVE-2010-2570 CVE-2010-2569 

Original Bulletin: 
   http://www.microsoft.com/technet/security/Bulletin/MS10-103.mspx

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Microsoft Security Bulletin MS10-103 - Important

Vulnerabilities in Microsoft Publisher Could Allow Remote Code Execution 
(2292970)

Version: 1.0

General Information

Executive Summary

  This security update resolves five privately reported vulnerabilities in 
  Microsoft Publisher that could allow remote code execution if a user opens a 
  specially crafted Publisher file. An attacker who successfully exploited any 
  of these vulnerabilities could take complete control of an affected system.
  An attacker could then install programs; view, change, or delete data; or
  create new accounts with full user rights. Users whose accounts are
  configured to have fewer user rights on the system could be less impacted
  than users who operate with administrative user rights.

  This security update is rated Important for supported editions of Microsoft 
  Publisher 2002, Microsoft Publisher 2003, Microsoft Publisher 2007, and 
  Microsoft Publisher 2010. For more information, see the subsection, Affected 
  and Non-Affected Software, in this section.

  The update addresses the vulnerabilities by correcting the way that 
  Microsoft Publisher parses specially crafted Publisher files. For more
  information about the vulnerability, see the Frequently Asked Questions
  (FAQ) subsection for the specific vulnerability entry under the next section,
  Vulnerability Information.

Affected Software

  Microsoft Office XP Service Pack 3
  Microsoft Office 2003 Service Pack 3
  Microsoft Office 2007 Service Pack 2
  Microsoft Office 2010 (32-bit editions)
  Microsoft Office 2010 (64-bit editions)

Vulnerability Information

Size Value Heap Corruption in pubconv.dll Vulnerability - CVE-2010-2569

  A remote code execution vulnerability exists in the way that Microsoft 
  Publisher parses Publisher files. An attacker could exploit the vulnerability
  by creating a specially crafted Publisher file that could be included as an 
  e-mail attachment, or hosted on a specially crafted or compromised Web site, 
  and then convincing the user to open the specially crafted Publisher file. If
  a user were logged on with administrative user rights, an attacker who 
  successfully exploited this vulnerability could take complete control of an 
  affected system. An attacker could then install programs; view, change, or 
  delete data; or create new accounts with full user rights. Users whose 
  accounts are configured to have fewer user rights on the system could be less
  affected than users who operate with administrative user rights.

Heap Overrun in pubconv.dll Vulnerability - CVE-2010-2570

  A remote code execution vulnerability exists in the way that Microsoft 
  Publisher parses Publisher files. An attacker could exploit the vulnerability
  by creating a specially crafted Publisher file that could be included as an 
  e-mail attachment, or hosted on a specially crafted or compromised Web site, 
  and then convincing the user to open the specially crafted Publisher file. If
  a user were logged on with administrative user rights, an attacker who 
  successfully exploited this vulnerability could take complete control of an 
  affected system. An attacker could then install programs; view, change, or 
  delete data; or create new accounts with full user rights. Users whose 
  accounts are configured to have fewer user rights on the system could be less
  affected than users who operate with administrative user rights.

Memory Corruption Due To Invalid Index Into Array in Pubconv.dll Vulnerability
- - CVE-2010-2571

  A remote code execution vulnerability exists in the way that Microsoft 
  Publisher opens Publisher files. An attacker could exploit the vulnerability 
  by creating a specially crafted Publisher file that could be included as an 
  e-mail attachment, or hosted on a specially crafted or compromised Web site, 
  and then convincing the user to open the specially crafted Publisher file. If
  a user were logged on with administrative user rights, an attacker who 
  successfully exploited this vulnerability could take complete control of an 
  affected system. An attacker could then install programs; view, change, or 
  delete data; or create new accounts with full user rights. Users whose 
  accounts are configured to have fewer user rights on the system could be less
  affected than users who operate with administrative user rights.

Microsoft Publisher Memory Corruption Vulnerability - CVE-2010-3954

  A remote code execution vulnerability exists in the way that Microsoft 
  Publisher opens Publisher files. An attacker could exploit the vulnerability 
  by creating a specially crafted Publisher file that could be included as an 
  e-mail attachment, or hosted on a specially crafted or compromised Web site, 
  and then convincing the user to open the specially crafted Publisher file. If
  a user were logged on with administrative user rights, an attacker who 
  successfully exploited this vulnerability could take complete control of an 
  affected system. An attacker could then install programs; view, change, or 
  delete data; or create new accounts with full user rights. Users whose 
  accounts are configured to have fewer user rights on the system could be less
  affected than users who operate with administrative user rights.

Array Indexing Memory Corruption Vulnerability - CVE-2010-3955

  A remote code execution vulnerability exists in the way that Microsoft 
  Publisher opens Publisher files. An attacker could exploit the vulnerability 
  by creating a specially crafted Publisher file that could be included as an 
  e-mail attachment, or hosted on a specially crafted or compromised Web site, 
  and then convincing the user to open the specially crafted Publisher file. If
  a user were logged on with administrative user rights, an attacker who 
  successfully exploited this vulnerability could take complete control of an 
  affected system. An attacker could then install programs; view, change, or 
  delete data; or create new accounts with full user rights. Users whose 
  accounts are configured to have fewer user rights on the system could be less
  affected than users who operate with administrative user rights.

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