Remote code execution in Microsoft Word



Published: 2006-12-15 | Updated: 2016-12-06
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2006-6561
CWE-ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe
Works Suite
Client/Desktop applications / Other client software

Microsoft Office
Client/Desktop applications / Office applications

Microsoft Office for Mac
Client/Desktop applications / Office applications

Word Viewer
Client/Desktop applications / Office applications

Vendor
Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU1215

Risk: Critical

CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2006-6561

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: Yes

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability is caused by boundary error when processing  an unchecked word count in Word files. A remote attacker can create a specially crafted Word file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.


Mitigation

Microsoft Office 2000 Service Pack 3

Microsoft Word 2000 - Download the update (KB929139)

Microsoft Office XP Service Pack 3

Microsoft Word 2002 - Download the update (KB929061)

Microsoft Office 2003 Service Pack 2

Microsoft Word 2003 - Download the update (KB929057)

Microsoft Word Viewer 2003 - Download the update (KB924883)

Microsoft Works Suites

Microsoft Works Suite 2004 - Download the update (KB929061) (same as the Microsoft Word 2002 update)

Microsoft Works Suite 2005 - Download the update (KB929061) (same as the Microsoft Word 2002 update)

Microsoft Works Suite 2006 - Download the update (KB929061) (same as the Microsoft Word 2002 update)

Microsoft Office 2004 for Mac

Microsoft Office 2004 for Mac - Download the update (KB932185)

Vulnerable software versions

: 2000, 2002, 2003

Works Suite: 2004, 2005, 2006

Microsoft Office: 2000 Service Pack 3, 2003, XP

Microsoft Office for Mac: 2004

Word Viewer: 2003

CPE2.3 External links

http://technet.microsoft.com/library/security/ms07-014

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.



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