CVE-2011-0027

Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2, and Windows Data Access Components (WDAC) 6.0, does not properly validate memory allocation for…

published January 12, 2011

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.0th percentile for exploit probability.

CVSS
—
EPSS
54%
Percentile
99.0
In the wild
Unconfirmed
What it is

🚨 An integer wrap in Microsoft Data Access Components can turn a simple property into a gateway for remote code execution! ⚠️ Think of this as a library where the cataloging system misplaces a book due to a small clerical error. If the shelf is overloaded with books, it might just shove the wrong one into the hands of a criminal — that's how an attacker could exploit this flaw! An attacker could potentially execute arbitrary code remotely, leading to catastrophic consequences. Imagine your entire system being hijacked because of a single miscalculation — it’s like handing over the keys to your digital fortress!

Put simply

Think of this as a library where the cataloging system misplaces a book due to a small clerical error. If the shelf is overloaded with books, it might just shove the wrong one into the hands of a criminal — that's how an attacker could exploit this flaw! The vulnerability arises from improper validation of memory allocation in MDAC and WDAC, allowing a crafted CacheSize property to trigger an integer overflow and subsequent buffer overflow, which can lead to arbitrary code execution.

What to do

An attacker could potentially execute arbitrary code remotely, leading to catastrophic consequences. Imagine your entire system being hijacked because of a single miscalculation — it’s like handing over the keys to your digital fortress! To mitigate this issue, ensure that you apply any relevant patches or updates from Microsoft as they become available. Regularly audit your usage of these components and consider implementing additional security measures to monitor for unusual activity. You've got this! By taking these steps, you're on your way to becoming a security hero. 🦸‍♂️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.54372 · 99.0th percentile
Published
2011-01-12T00:00Z
EPSS history
Timeline
  • 12 JAN 00:00Z
    Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2, and Windows Data Access Components (WDAC) 6.0, does not properly validate memory allocation for…
    cvelistv5