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AUSCERT External Security Bulletin Redistribution
ESB-2011.1239
Execute code vulnerability within Microsoft Office Publisher
14 December 2011
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Office
Publisher: Microsoft
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2011-1508
Original Bulletin:
http://technet.microsoft.com/en-us/security/bulletin/ms11-091
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Microsoft Security Bulletin MS11-091 - Important
Vulnerabilities in Microsoft Publisher Could Allow Remote Code Execution
(2607702)
Published Date: December 13, 2011
General Information
Executive Summary:
This security update resolves one publicly disclosed vulnerability and three
privately reported vulnerabilities in Microsoft Office. The most severe
vulnerabilities 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 2003 and Microsoft Publisher 2007.
For more information, see the subsection, Affected and Non-Affected Software,
in this section. The security update addresses the vulnerabilities by
correcting the way that Microsoft Publisher parses specially crafted Publisher
files.
Affected Software:
Microsoft Office 2003 Service Pack 3
Microsoft Office 2007 Service Pack 2
Microsoft Office 2007 Service Pack 3
Vulnerability Information:
Publisher Function Pointer Overwrite Vulnerability - CVE-2011-1508
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 insert this specially crafted Publisher file into
another Publisher document. 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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