National Cyber-Alert System
Vulnerability Summary for CVE-2006-3431
Original release date:07/07/2006
Last revised:09/05/2008
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):
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: BID
Name: 18872
External Source: BUGTRAQ
Name: 20060707 Major updates to Excel 0-day Vulnerability FAQ at SecuriTeam Blogs
External Source: BUGTRAQ
Name: 20060703 Excel 2000/XP/2003 Style 0day POC
External Source: MS
Name: MS06-059
External Source: VUPEN
Name: ADV-2006-2689
Type: Advisory
External Source: SECTRACK
Name: 1016430
External Source: SECUNIA
Name: 20268
Type: Advisory
External Source: BUGTRAQ
Name: 20060711 New CVE number states Excel Style handling as a separate issue
External Source: HP
Name: HPSBST02161
US Government Resource: oval:org.mitre.oval:def:431
Name: oval:org.mitre.oval:def:431
Type: Tool Signature