RCE in Microsoft Excel
CVE-2010-0263
Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Office SharePoint Server 2007 SP1 and SP2 do not validate ZIP headers during decompression of Open XML (.XLSX) documents, which allows remote attackers to execute arbitrary code via a crafted document that triggers access to uninitialized memory locations, aka "Microsoft Office Excel XLSX File Parsing Code Execution 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: 0.257 (97.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.257 · newest: 0.257 · change: 0.000
Affected products
- Microsoft Excel — versions 2007, 2003, 2002
- Microsoft Office — versions 2004, 2008
- Microsoft Office Compatibility Pack — versions 2007
- Microsoft Office Excel Viewer
- Microsoft Office Sharepoint Server — versions 2007
- Microsoft Open XML File Format Converter
Weakness classification (CWE)
References
- www.securityfocus.com/archive/1/509979/100/0/threaded (mailing-list)
- www.securitytracker.com/id (vdb-entry)
- www.us-cert.gov/cas/techalerts/TA10-068A.html (US Government Resource, third-party-advisory)
- www.zerodayinitiative.com/advisories/ZDI-10-025/
- docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-017 (vendor-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:8407 (signature, vdb-entry)