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Microsoft Office Filters Multiple Vulnerabilities
Secunia Advisory: SA31336
Release Date: 2008-08-12
Last Update: 2008-08-13
Popularity: 4,404 views

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

Software: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 File Converter Pack
Microsoft Office Project 2002
Microsoft Office XP
Microsoft Works 8.x

Binary Analysis: BA538 :: Available for 1 Credit
BA542 :: Available for 1 Credit
BA543 :: Available for 1 Credit
BA547 :: Available for 1 Credit
BA548 :: Available for 1 Credit

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CVE reference:CVE-2008-3018
CVE-2008-3019
CVE-2008-3020
CVE-2008-3021
CVE-2008-3460


Description:
Multiple vulnerabilities have been reported in Microsoft Office, which can be exploited by malicious people to compromise a user's system.

1) An error in the EPS (Encapsulated PostScript) filter when handling the length of EPS images can be exploited to corrupt memory via e.g. an Office document containing a specially crafted EPS file.

2) An error in the PICT filter when handling the length of PICT images can be exploited to corrupt memory via a specially crafted PICT image.

3) An error in the PICT filter when parsing the "bits_per_pixel" field in PICT images can be exploited to corrupt heap memory via a specially crafted PICT image.

4) An error in the "BMPIMP32.FLT" filter module when handling the length of BMP images can be exploited to corrupt memory via a specially crafted BMP image with a very large number of colors in the header.

5) An boundary error in the WPG (WordPerfect Graphics) filter module "WPGIMP32.FLT" when handling the length of WPG images can be exploited to cause a heap-based buffer overflow via a specially crafted WPG image or WordPerfect document.

Successful exploitation of the vulnerabilities may allow execution of arbitrary code.

Solution:
Apply patches.

Microsoft Office 2000 SP3:
http://www.microsoft.com/downloads/de...=3ab323ec-9f92-453c-b7c7-9a95a9efcaea

Microsoft Office XP SP3:
http://www.microsoft.com/downloads/de...=bf566ce6-23da-45e5-9c2b-c47331d30e79

Microsoft Office 2003 SP2 (SP3 is not affected):
http://www.microsoft.com/downloads/de...=e0df2f6e-1102-461d-829f-5f3e2d7eb4b3

Microsoft Office Project 2002 SP1:
http://www.microsoft.com/downloads/de...=bf566ce6-23da-45e5-9c2b-c47331d30e79

Microsoft Office Converter Pack:
http://www.microsoft.com/downloads/de...=199b08c7-6d79-4930-8f0c-31034629c485

Microsoft Works 8:
http://www.microsoft.com/downloads/de...=458985C3-9C6F-4049-81CD-0D0389C81F11

Provided and/or discovered by:
1) Reported by the vendor.
2) The vendor credits Shaun Colley, NGS Software.
3) Damian Put via ZDI.
4) An anonymous person via iDefense.
5) Damian Put via iDefense.

Changelog:
2008-08-13: Updated "Description". Added links to iDefense and ZDI.

Original Advisory:
MS08-044 (KB924090):
http://www.microsoft.com/technet/security/Bulletin/MS08-044.mspx

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=736
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=737

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-08-049/

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