RCE in Microsoft Office
CVE-2009-1134
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."
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.357 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.357 · newest: 0.357 · change: 0.000
Affected products
- Microsoft Office — versions 2004, 2008, xp
- Microsoft Office Compatibility Pack For Word Excel Ppt 2007
- Microsoft Office Excel — versions 2000, 2003, 2007
- Microsoft Office Excel Viewer — versions 2003
- Microsoft Office Sharepoint Server — versions 2007
- Microsoft Open XML File Format Converter
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/35246 (vdb-entry)
- www.securityfocus.com/archive/1/504213/100/0/threaded (mailing-list)
- www.vupen.com/english/advisories/2009/1540 (vdb-entry)
- www.securitytracker.com/id (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021 (vendor-advisory)
- osvdb.org/54958 (vdb-entry)
- www.us-cert.gov/cas/techalerts/TA09-160A.html (US Government Resource, third-party-advisory)
- www.zerodayinitiative.com/advisories/ZDI-09-040/
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:5922 (signature, vdb-entry)
Frequently asked questions
- What is CVE-2009-1134?
- CVE-2009-1134 is a vulnerability in Microsoft Office, classified under Code Injection. Published 2009-06-10.
- Is CVE-2009-1134 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.