CVE-2009-3130

Heap-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers…

published November 11, 2009

CVSS
—
EPSS
29%
Percentile
98.2
In the wild
Unconfirmed
What it is

⚠️ A sneaky heap-based buffer overflow lurks in Microsoft Excel, allowing attackers to execute arbitrary code with just a malformed spreadsheet! 📊 Think of it like a waiter bringing an order that’s just a jumbled mess — when the kitchen doesn’t check the recipe, the dish comes out wrong and can ruin the whole meal! If an attacker sends over a corrupted Excel file, they could manipulate the memory of your system, potentially gaining control and executing malicious code. This could lead to data breaches or even system takeovers, making it a surprisingly dangerous delivery!

Put simply

Think of it like a waiter bringing an order that’s just a jumbled mess — when the kitchen doesn’t check the recipe, the dish comes out wrong and can ruin the whole meal! This vulnerability in Microsoft Office Excel 2002 SP3 and Office 2004/2008 for Mac is a heap-based buffer overflow caused by mishandling a Binary File Format (BIFF) record, which can corrupt memory and allow for arbitrary code execution.

What to do

If an attacker sends over a corrupted Excel file, they could manipulate the memory of your system, potentially gaining control and executing malicious code. This could lead to data breaches or even system takeovers, making it a surprisingly dangerous delivery! To protect against this vulnerability, ensure you're using the latest version of Excel and apply any available patches. Regularly audit the files received from external sources, and consider using a more secure file format or service. 🛡️ You can tackle this! Stay vigilant and keep your software updated, and you’ll be a security hero! 🦸‍♂️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.28934 · 98.2th percentile
Published
2009-11-11T20:00Z
EPSS history
Timeline
  • 11 NOV 20:00Z
    Heap-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers…
    cvelistv5