CVE-2009-1134

EXPLOITED

Microsoft Office Excel - Remote Code Execution via Malformed BIFF Qsir Record

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2009-1134 has been observed exploited in the wild (reported by VulnCheck KEV).

Description

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."

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/35246
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/504213/100/0/threaded
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1540
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1022351
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/54958
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-160A.html
Third Party Advisory x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-09-040/
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5922

Scores

EPSS 0.3570
EPSS Percentile 98.3%

Details

VulnCheck KEV 2012-10-18
CWE
CWE-94
Status published
Products (11)
microsoft/office 2004
microsoft/office 2008
microsoft/office xp sp3
microsoft/office_compatibility_pack_for_word_excel_ppt_2007 (2 CPE variants)
microsoft/office_excel 2000 sp3
microsoft/office_excel 2003 sp3
microsoft/office_excel 2007 sp1 (2 CPE variants)
microsoft/office_excel_viewer
microsoft/office_excel_viewer 2003 sp3
microsoft/office_sharepoint_server 2007 sp1 (4 CPE variants)
... and 1 more
Published Jun 10, 2009
Tracked Since Feb 18, 2026