CVE-2009-0563 vulnerability in Microsoft Products
Published on June 10, 2009

Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a Word document with a crafted tag containing an invalid length field, aka "Word Buffer Overflow Vulnerability."

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Office Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via a Word document with a crafted tag containing an invalid length field.

The following remediation steps are recommended / required by June 22, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2009-0563 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2009-0563 has been classified to as a Memory Corruption vulnerability or weakness.

Products Associated with CVE-2009-0563

You can be notified by stack.watch whenever vulnerabilities like CVE-2009-0563 are published in these products:

Microsoft Office

Microsoft Office Word Viewer

Microsoft Office Compatibility Pack

Microsoft Open Xml File Format Converter

What versions are vulnerable to CVE-2009-0563?