CVE-2009-0561 Integer overflow in n/a
Remote attackers can execute arbitrary code by tricking users into opening a malicious Excel file with a malformed Shared String Table record.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2009-0561?
CVE-2009-0561 is a critical vulnerability in Microsoft Office, published on 10 Jun 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Integer overflow in Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Microsoft Office SharePoint Server 2007 SP1 and SP2 allows remote attackers to execute arbitrary code via an Excel file with a Shared String Table (SST) record with a numeric field that specifies an invalid number of unique strings, which triggers a heap-based buffer overflow, aka "Record Integer Overflow Vulnerability."
Weakness: CWE-189
Which versions are affected by CVE-2009-0561?
It affects 6 products.
Products include Microsoft Office, Microsoft Office Compatibility Pack for Word Excel Ppt 2007, Microsoft Office Excel, Microsoft Office Excel Viewer, Microsoft Office Sharepoint Server, Microsoft Open Xml File Format Converter.
How do I fix CVE-2009-0561?
No fix has been published for CVE-2009-0561 yet. Limit exposure of the affected software until one is available.
Is CVE-2009-0561 being exploited?
There is no known exploitation of CVE-2009-0561 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-5q7x-rmh4-jxrr.