// For flags

CVE-2009-1134

Microsoft Office Excel QSIR Record Pointer Corruption 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

Excel in 2007 Microsoft Office System SP1 and SP2; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a BIFF file with a malformed Qsir (0x806) record object, aka "Record Pointer Corruption Vulnerability."

Excel en 2007 Office System SP1 y SP2 de Microsoft; Office Excel Viewer de Microsoft; y Office Compatibility Pack para formatos de archivo de Word, Excel y PowerPoint 2007 SP1 y SP2 de Microsoft, permite a los atacantes remotos ejecutar código arbitrario por medio de un archivo BIFF con un objeto de registro Qsir (0x806) malformado, también se conoce como "Record Pointer Corruption Vulnerability".

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office Excel. Exploitation requires user interaction in that a victim must open a malicious XLS file.
The specific flaw exists within the parsing of the BIFF file format used by Microsoft Excel. When Excel 2007 encounters a malformed Qsir record (0x806) user data is improperly handled leading to potential code execution. Successful exploitation of this can lead to a remote compromise of the affected system running under the credentials of the currently logged in user.

*Credits: Anonymous
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
  • 2009-03-25 CVE Reserved
  • 2009-06-10 CVE Published
  • 2024-08-07 CVE Updated
  • 2024-11-13 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-94: Improper Control of Generation of Code ('Code Injection')
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"
Office
Search vendor "Microsoft" for product "Office"
2004
Search vendor "Microsoft" for product "Office" and version "2004"
mac
Affected
Microsoft
Search vendor "Microsoft"
Office
Search vendor "Microsoft" for product "Office"
2008
Search vendor "Microsoft" for product "Office" and version "2008"
mac
Affected
Microsoft
Search vendor "Microsoft"
Office
Search vendor "Microsoft" for product "Office"
xp
Search vendor "Microsoft" for product "Office" and version "xp"
sp3
Affected
Microsoft
Search vendor "Microsoft"
Office Compatibility Pack For Word Excel Ppt 2007
Search vendor "Microsoft" for product "Office Compatibility Pack For Word Excel Ppt 2007"
*sp1
Affected
Microsoft
Search vendor "Microsoft"
Office Compatibility Pack For Word Excel Ppt 2007
Search vendor "Microsoft" for product "Office Compatibility Pack For Word Excel Ppt 2007"
*sp2
Affected
Microsoft
Search vendor "Microsoft"
Office Excel
Search vendor "Microsoft" for product "Office Excel"
2000
Search vendor "Microsoft" for product "Office Excel" and version "2000"
sp3
Affected
Microsoft
Search vendor "Microsoft"
Office Excel
Search vendor "Microsoft" for product "Office Excel"
2003
Search vendor "Microsoft" for product "Office Excel" and version "2003"
sp3
Affected
Microsoft
Search vendor "Microsoft"
Office Excel
Search vendor "Microsoft" for product "Office Excel"
2007
Search vendor "Microsoft" for product "Office Excel" and version "2007"
sp1
Affected
Microsoft
Search vendor "Microsoft"
Office Excel
Search vendor "Microsoft" for product "Office Excel"
2007
Search vendor "Microsoft" for product "Office Excel" and version "2007"
sp2
Affected
Microsoft
Search vendor "Microsoft"
Office Excel Viewer
Search vendor "Microsoft" for product "Office Excel Viewer"
*-
Affected
Microsoft
Search vendor "Microsoft"
Office Excel Viewer
Search vendor "Microsoft" for product "Office Excel Viewer"
2003
Search vendor "Microsoft" for product "Office Excel Viewer" and version "2003"
sp3
Affected
Microsoft
Search vendor "Microsoft"
Office Sharepoint Server
Search vendor "Microsoft" for product "Office Sharepoint Server"
2007
Search vendor "Microsoft" for product "Office Sharepoint Server" and version "2007"
sp1, x32
Affected
Microsoft
Search vendor "Microsoft"
Office Sharepoint Server
Search vendor "Microsoft" for product "Office Sharepoint Server"
2007
Search vendor "Microsoft" for product "Office Sharepoint Server" and version "2007"
sp1, x64
Affected
Microsoft
Search vendor "Microsoft"
Office Sharepoint Server
Search vendor "Microsoft" for product "Office Sharepoint Server"
2007
Search vendor "Microsoft" for product "Office Sharepoint Server" and version "2007"
sp2, x32
Affected
Microsoft
Search vendor "Microsoft"
Office Sharepoint Server
Search vendor "Microsoft" for product "Office Sharepoint Server"
2007
Search vendor "Microsoft" for product "Office Sharepoint Server" and version "2007"
sp2, x64
Affected
Microsoft
Search vendor "Microsoft"
Open Xml File Format Converter
Search vendor "Microsoft" for product "Open Xml File Format Converter"
*mac
Affected