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Last updated: 10/21/2014 11:47:18 PM

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Vulnerability Summary for CVE-2009-0561

Original release date: 06/10/2009
Last revised: 08/21/2010
Source: US-CERT/NIST

Overview

Integer overflow in Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Microsoft Office SharePoint Server 2007 SP1 and SP2 allows remote attackers to execute arbitrary code via an Excel file with a Shared String Table (SST) record with a numeric field that specifies an invalid number of unique strings, which triggers a heap-based buffer overflow, aka "Record Integer Overflow Vulnerability."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
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: MISC
Name: http://secunia.com/secunia_research/2009-12/
Type: Advisory
US-CERT Vulnerability Note: CERT
Name: TA09-160A
External Source: MS
Name: MS09-021
Type: Advisory; Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:5925
External Source: BUGTRAQ
Name: 20090609 Secunia Research: Microsoft Excel String Parsing Integer Overflow Vulnerability
External Source: SECTRACK
Name: 1022351
External Source: OSVDB
Name: 54957
External Source: VUPEN
Name: ADV-2009-1540
Type: Advisory
External Source: IDEFENSE
Name: 20090609 Microsoft Excel SST Record Integer Overflow Vulnerability
External Source: BID
Name: 35245

References to Check Content

Identifier: oval:org.mitre.oval:def:5925
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)