Office Excel Viewer OCX ExcelViewer.ocx ActiveX buffer overflow
| excelviewer-ocx-bo (34011) |  High Risk |
Description:
The Office Excel Viewer OCX ActiveX control is vulnerable to a stack-based buffer overflow. By persuading a victim to visit a specially-crafted Web page that passes an overly long argument to the HttpDownloadFile() or OpenWebFile() method, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the victim's browser to crash.
Platforms Affected:
- Microsoft, Windows Vista
- Office OCX, Excel Viewer OCX 3.1.0.6
Remedy:
No remedy available as of July 4, 2009.
Consequences:
Gain Access
References:
- MoAxB #02, ExcelViewer.ocx 3.1 multiple methods DoS at http://moaxb.blogspot.com/2007/05/moaxb-02-excelviewerocx-v-31-multiple.html.
- Office OCX & Office Component Web site, Excel Viewer OCX at http://www.officeocx.com/.
- BID-23755: Office OCX ExcelViewer.OCX Excel Viewer ActiveX Denial of Service Vulnerabilities
- CVE-2007-2495: Multiple stack-based buffer overflows in the ExcelOCX ActiveX control in ExcelViewer.ocx 3.1.0.6 allow remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand, (2) FTPDownloadFile, (3) FTPUploadFile, (4) HttpUploadFile, (5) Save, (6) SaveWebFile, (7) HttpDownloadFile, (8) Open, or (9) OpenWebFile property value. NOTE: some of these details are obtained from third party information.
- SA25077: Excel Viewer OCX ActiveX Control Buffer Overflow Vulnerabilities
- VUPEN/ADV-2007-1613: Office OCX Excel Viewer Multiple Method Remote Command Execution Vulnerability
Reported:
May 02, 2007
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