BID:18905

Microsoft Office MSO.DLL LsCreateLine() Potential Code Execution Vulnerability

CVE-2006-3493 |

Info

Microsoft Office MSO.DLL LsCreateLine() Potential Code Execution Vulnerability

Bugtraq ID:	18905
Class:	Boundary Condition Error
CVE:	CVE-2006-3493
Remote:	Yes
Local:	No
Published:	Jul 08 2006 12:00AM
Updated:	Jun 26 2007 08:28PM
Credit:	Discovered by naveed afzal.
Vulnerable:	Microsoft Office XP SP3 + Microsoft Excel 2002 SP3 + Microsoft Excel 2002 SP3 + Microsoft FrontPage 2002 SP3 + Microsoft FrontPage 2002 SP3 + Microsoft Outlook 2002 SP3 + Microsoft Outlook 2002 SP3 + Microsoft PowerPoint 2002 SP3 + Microsoft PowerPoint 2002 SP3 + Microsoft Publisher 2002 SP3 + Microsoft Publisher 2002 SP3 Microsoft Office XP SP2 - Microsoft Windows 2000 Professional SP3 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 98 - Microsoft Windows 98SE - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home SP1 - Microsoft Windows XP Home - Microsoft Windows XP Professional SP1 - Microsoft Windows XP Professional Microsoft Office XP SP1 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 98 - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home - Microsoft Windows XP Professional Microsoft Office XP - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 98 - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home - Microsoft Windows XP Professional Microsoft Office 2003 SP3 Microsoft Office 2003 SP2 Microsoft Office 2003 SP1 Microsoft Office 2003 0 + Microsoft Excel 2003 + Microsoft FrontPage 2003 + Microsoft InfoPath 2003 + Microsoft OneNote 2003 0 + Microsoft Outlook 2003 0 + Microsoft PowerPoint 2003 0 + Microsoft Publisher 2003 Microsoft Office 2000 SP3 - Microsoft Windows 2000 Professional SP3 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 98 - Microsoft Windows 98SE - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home SP1 - Microsoft Windows XP Home - Microsoft Windows XP Professional SP1 - Microsoft Windows XP Professional Microsoft Office 2000 SP2 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home - Microsoft Windows XP Professional Microsoft Office 2000 SP1 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home - Microsoft Windows XP Professional Microsoft Office 2000 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home - Microsoft Windows XP Professional

Not Vulnerable:

Discussion

Microsoft Office MSO.DLL LsCreateLine() Potential Code Execution Vulnerability

Microsoft Office is reported prone to a potential code-execution vulnerability.

This vulnerability occurs when the application handles a specially crafted document. A successful attack may result in a remote compromise in the context of an affected user. Attack attempts may result in a denial-of-service condition as well.

Reports indicate that this issue can be triggered with a malicious Microsoft Word document; however, other Microsoft Office applications that employ the affected function are vulnerable as well.

Exploit / POC

Microsoft Office MSO.DLL LsCreateLine() Potential Code Execution Vulnerability

A proof of concept is available.

/data/vulnerabilities/exploits/MSOffice_mosdll_poc.c

Solution / Fix

Microsoft Office MSO.DLL LsCreateLine() Potential Code Execution Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: mailto:[email protected].

References

Microsoft Office MSO.DLL LsCreateLine() Potential Code Execution Vulnerability

References:

Information about claims about unchecked boundary condition vulnerability in Wor (Microsoft Security Response Center Blog)
MS Word Unchecked Boundary Condition Vulnerability (naveed )