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Microsoft Word Font Parsing Buffer Overflow Vulnerability
Secunia Advisory: SA15998
Release Date: 2005-07-12
Last Update: 2005-07-13
Popularity: 19,630 views

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

Software:Microsoft Office 2000
Microsoft Office XP
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-2005-0564


Description:
Lord Yup has reported a vulnerability in Microsoft Word, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the parsing of fonts. This can be exploited to cause a stack-based buffer overflow by tricking a user into opening a specially crafted Word document.

Successful exploitation allows execution of arbitrary code.

Solution:
Apply patches.

Microsoft Office 2000 SP3:
http://www.microsoft.com/downloads/de...=CEE0864B-B196-48F4-A4B9-2ED7FB6D17D2

Microsoft Office XP SP3:
http://www.microsoft.com/downloads/de...=A7E7D2C5-1E2A-4FFB-8FC2-B2B217015820

Microsoft Works Suite 2000:
http://www.microsoft.com/downloads/de...=CEE0864B-B196-48F4-A4B9-2ED7FB6D17D2

Microsoft Works Suite 2001:
http://www.microsoft.com/downloads/de...=CEE0864B-B196-48F4-A4B9-2ED7FB6D17D2

Microsoft Works Suite 2002:
http://www.microsoft.com/downloads/de...=A7E7D2C5-1E2A-4FFB-8FC2-B2B217015820

Microsoft Works Suite 2003:
http://www.microsoft.com/downloads/de...=A7E7D2C5-1E2A-4FFB-8FC2-B2B217015820

Microsoft Works Suite 2004:
http://www.microsoft.com/downloads/de...=A7E7D2C5-1E2A-4FFB-8FC2-B2B217015820

Provided and/or discovered by:
Lord Yup

Changelog:
2005-07-13: Added link to US-CERT vulnerability note.

Original Advisory:
MS05-035 (903672):
http://www.microsoft.com/technet/security/Bulletin/MS05-035.mspx

iDEFENSE:
http://www.idefense.com/application/poi/display?id=281&type=vulnerabilities

Other References:
US-CERT VU#218621:
http://www.kb.cert.org/vuls/id/218621


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