Microsoft Office WordPerfect Converter Buffer Overflow Vulnerability
Secunia Advisory: SA12529
Release Date: 2004-09-14
Last Update: 2004-09-15
Popularity: 17,034 views

Critical:
Moderately critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:Microsoft Frontpage 2000
Microsoft Frontpage 2002
Microsoft Office 2000
Microsoft Office 2003 Professional Edition
Microsoft Office 2003 Small Business Edition
Microsoft Office 2003 Standard Edition
Microsoft Office 2003 Student and Teacher Edition
Microsoft Office XP
Microsoft Publisher 2000
Microsoft Publisher 2002
Microsoft Word 2000
Microsoft Word 2002
Microsoft Works Suite 2001
Microsoft Works Suite 2002
Microsoft Works Suite 2003
Microsoft Works Suite 2004

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CVE reference:CVE-2004-0573


Description:
Peter Winter-Smith has reported a vulnerability in various Microsoft Office products, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the WordPerfect Converter and can be exploited to cause a buffer overflow if a user opens a malicious document.

Successful exploitation may allow execution of arbitrary code with the users privileges.

The vulnerability affects WordPerfect Converter 5.x, which is included in various Microsoft Office products.

Solution:
Microsoft has released updates.

Microsoft Office 2000 Software (SP 3):
http://www.microsoft.com/downloads/de...=88F52E69-99E1-4892-9A53-84E5DFADFE6B

Microsoft Office XP Software (SP 3):
http://www.microsoft.com/downloads/de...=10A6CEB3-7B94-4F74-A5A0-60C31CE2F57B

Microsoft Office 2003:
http://www.microsoft.com/downloads/de...=A0629800-1889-495B-B25E-4637D6B03250

Microsoft Works Suite 2001:
http://www.microsoft.com/downloads/de...=88F52E69-99E1-4892-9A53-84E5DFADFE6B

Microsoft Works Suite 2002:
http://www.microsoft.com/downloads/de...=10A6CEB3-7B94-4F74-A5A0-60C31CE2F57B

Microsoft Works Suite 2003:
http://www.microsoft.com/downloads/de...=10A6CEB3-7B94-4F74-A5A0-60C31CE2F57B

Microsoft Works Suite 2004:
http://www.microsoft.com/downloads/de...=10A6CEB3-7B94-4F74-A5A0-60C31CE2F57B

Provided and/or discovered by:
Peter Winter-Smith, Next Generation Security Software.

Changelog:
2004-09-15: Added link to US-CERT vulnerability note.

Original Advisory:
MS04-027 (KB884933):
http://www.microsoft.com/technet/security/bulletin/ms04-027.mspx

Other References:
US-CERT VU#449438:
http://www.kb.cert.org/vuls/id/449438


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