#VU1199 Buffer overflow in Microsoft products - CVE-2006-1308

Vulnerability identifier: #VU1199

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2006-1308

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Excel Viewer
Client/Desktop applications / Office applications
Microsoft Excel
Client/Desktop applications / Office applications
Microsoft Excel for Mac
Client/Desktop applications / Office applications
Microsoft Office for Mac
Client/Desktop applications / Office applications
Microsoft Office
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

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

The vulnerability exists due to incorrect handling of input data when processing a malformed FNGROUPCOUNT value file. A remote unauthenticated attacker can trick the victim to open a specially crafted Excel file and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Microsoft Excel 2003 - https://www.microsoft.com/downloads/details.aspx?FamilyId=5788518C-0FB3-4381-BB42-BCA71A4FD646
Microsoft Excel Viewer 2003 - https://www.microsoft.com/downloads/details.aspx?FamilyId=779666AB-CCD1-47A1-8A5A-B288A5204369
Microsoft Excel 2002 - https://www.microsoft.com/downloads/details.aspx?FamilyId=0828F77F-BE33-4913-B68D-6A375D5FE130
Microsoft Excel 2000 - https://www.microsoft.com/downloads/details.aspx?FamilyId=D8A2AD6D-582C-4185-ADE1-671D2128D3EE
Microsoft Excel 2004 for Mac - https://www.microsoft.com/mac/
Microsoft Excel v. X for Mac - https://www.microsoft.com/mac/

Vulnerable software versions

Excel Viewer: 2003

Microsoft Excel: 2000, 2002, 2003

Microsoft Excel for Mac: v.X - 2004

Microsoft Office for Mac: 2004

Microsoft Office: XP, 2000 Service Pack 3, 2003

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External links
https://technet.microsoft.com/en-us/library/security/ms06-037.aspx

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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.