// For flags

CVE-2008-3471

Microsoft Office Excel BIFF File Format Parsing Stack Overflow Vulnerability

Severity Score

9.3
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Stack-based buffer overflow in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2 and SP3, and 2007 Gold and SP1; Office Excel Viewer 2003 SP3; Office Excel Viewer; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Gold and SP1; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via a BIFF file with a malformed record that triggers a user-influenced size calculation, aka "File Format Parsing Vulnerability."

Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2 y SP3, y 2007 Gold y SP1; Office Excel Viewer 2003 SP3; Office Excel Viewer; Office Compatibility Pack para Word, Excel, y PowerPoint 2007 File Formats Gold y SP1; Office 2004 y 2008 para Mac; y Open XML File Format Converter para Mac no asigna memoria adecuadamente cuando carga objetos Excel durante el análisis del formato de fichero de la hoja de cálculo Excel, lo cual permite a atacantes remotos ejecutar código de su elección a través de ficheros BIFF manipulados, también conocido como "Vulnerabilidad de Análisis de Formato de Fichero".

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office Excel. Exploitation requires that the victim to open the malformed BIFF (.xls) document.
The specific flaw exists within the parsing of the BIFF file format used by Microsoft Excel. During the processing of a malformed record, user-supplied data is copied into a stack-based buffer using a size that is calculated using contents from the record.

*Credits: wushi & ling of team509
CVSS Scores
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2008-08-04 CVE Reserved
  • 2008-10-14 CVE Published
  • 2024-08-07 CVE Updated
  • 2024-09-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Excel
Search vendor "Microsoft" for product "Excel"
2003
Search vendor "Microsoft" for product "Excel" and version "2003"
sp2
Affected
Microsoft
Search vendor "Microsoft"
Excel
Search vendor "Microsoft" for product "Excel"
2003
Search vendor "Microsoft" for product "Excel" and version "2003"
sp3
Affected
Microsoft
Search vendor "Microsoft"
Excel
Search vendor "Microsoft" for product "Excel"
2007
Search vendor "Microsoft" for product "Excel" and version "2007"
-
Affected
Microsoft
Search vendor "Microsoft"
Excel
Search vendor "Microsoft" for product "Excel"
2007
Search vendor "Microsoft" for product "Excel" and version "2007"
sp1
Affected
Microsoft
Search vendor "Microsoft"
Excel Viewer
Search vendor "Microsoft" for product "Excel Viewer"
--
Affected
Microsoft
Search vendor "Microsoft"
Excel Viewer
Search vendor "Microsoft" for product "Excel Viewer"
2003
Search vendor "Microsoft" for product "Excel Viewer" and version "2003"
-
Affected
Microsoft
Search vendor "Microsoft"
Excel Viewer
Search vendor "Microsoft" for product "Excel Viewer"
2003
Search vendor "Microsoft" for product "Excel Viewer" and version "2003"
sp3
Affected
Microsoft
Search vendor "Microsoft"
Office
Search vendor "Microsoft" for product "Office"
2004
Search vendor "Microsoft" for product "Office" and version "2004"
macos
Affected
Microsoft
Search vendor "Microsoft"
Office
Search vendor "Microsoft" for product "Office"
2008
Search vendor "Microsoft" for product "Office" and version "2008"
macos
Affected
Microsoft
Search vendor "Microsoft"
Office Compatibility Pack
Search vendor "Microsoft" for product "Office Compatibility Pack"
2007
Search vendor "Microsoft" for product "Office Compatibility Pack" and version "2007"
-
Affected
Microsoft
Search vendor "Microsoft"
Office Compatibility Pack
Search vendor "Microsoft" for product "Office Compatibility Pack"
2007
Search vendor "Microsoft" for product "Office Compatibility Pack" and version "2007"
sp1
Affected
Microsoft
Search vendor "Microsoft"
Open Xml File Format Converter
Search vendor "Microsoft" for product "Open Xml File Format Converter"
-macos
Affected