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AUSCERT External Security Bulletin Redistribution
ESB-2008.0151 -- [Win]
MS08-011 - Important - Vulnerabilities in Microsoft Works
File Converter Could Allow Remote Code Execution
22 February 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Works 6 File Converter
Publisher: Microsoft
Operating System: Windows
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2007-0216
Revision History: February 22 2008: Corrected CVE Number
February 13 2008: Initial Release
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MS08-011 - Important - Vulnerabilities in Microsoft Works File Converter
Could Allow Remote Code Execution (947081)
Published: February 12, 2008
Version: 1.0
This important security update resolves three privately reported
vulnerabilities in the Microsoft Works File Converter. These
vulnerabilities could allow remote code execution if a user opens a
specially crafted Works (.wps) file with an affected version of
Microsoft Office, Microsoft Works, or Microsoft Works Suite. 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.
Affected Software
o Microsoft Office 2003 Service Pack 2 - Microsoft Works 6 File
Converter
o Microsoft Office 2003 Service Pack 3 - Microsoft Works 6 File
Converter
o Microsoft Works 8.0 - Microsoft Works 6 File Converter
o Microsoft Works Suite 2005 - Microsoft Works 6 File Converter
Vulnerability Information
Microsoft Works File Converter Input Validation Vulnerability -
CVE-2007-0216
A remote code execution vulnerability exists in Microsoft Works File
Converter due to the way that it improperly validates section length
headers with the .wps format. 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.
Workarounds for Microsoft Works File Converter Input Validation
Vulnerability - CVE-2007-0216
o Disable installed copies of the Works File Converter by restricting
access to WKCVQD01.DLL
o Prevent WKCVQD01.DLL from being installed
o Do not open or save Microsoft Works files that you receive from
untrusted sources or that you receive unexpectedly from trusted
sources. This vulnerability could be exploited when a user opens a
specially crafted file.
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The University of Queensland
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