National Vulnerability Database (NVD) National Vulnerability Database (CVE-2006-3431)

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Vulnerability Summary for CVE-2006-3431

Original release date:07/07/2006

Last revised:03/08/2011

Source: US-CERT/NIST

Overview

Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted attackers to execute arbitrary code via a crafted STYLE record in a spreadsheet that triggers the overflow when the user attempts to repair the document or selects the "Style" option, as demonstrated by nanika.xls. NOTE: Microsoft has confirmed to CVE via e-mail that this is different than the other Excel vulnerabilities announced before 20060707, including CVE-2006-3059 and CVE-2006-3086.

Impact

CVSS Severity (version 2.0 upgrade from v1.0):

CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2006-2689

Hyperlink:http://www.vupen.com/english/advisories/2006/2689

External Source: BID

Name: 18872

Hyperlink:http://www.securityfocus.com/bid/18872

External Source: HP

Name: SSRT061264

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/449179/100/0/threaded

External Source: BUGTRAQ

Name: 20060707 Major updates to Excel 0-day Vulnerability FAQ at SecuriTeam Blogs

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/439427/100/0/threaded