CVE-2005-0551

Stack-based buffer overflow in WINSRV.DLL in the Client Server Runtime System (CSRSS) process of Microsoft Windows 2000, Windows XP SP1 and SP2, and Windows…

published April 13, 2005

CVSS
—
EPSS
20%
Percentile
97.5
In the wild
Unconfirmed
What it is

⚠️ A stack-based buffer overflow in WINSRV.DLL lets local users elevate privileges — it's like giving a cashier the keys to the vault just because they asked nicely! 🔑 Think of this vulnerability like a sneaky employee who figures out how to access the manager's office using just a long-forgotten access card — it shouldn't work, but here we are! If a specially-designed application is used, local users can exploit this to gain far more access than they should. If exploited, an attacker could potentially execute arbitrary code with elevated privileges, allowing them to manipulate system resources or sensitive data. This could lead to a complete compromise of the system, making it a worrying situation, especially if critical data is involved.

Put simply

Think of this vulnerability like a sneaky employee who figures out how to access the manager's office using just a long-forgotten access card — it shouldn't work, but here we are! If a specially-designed application is used, local users can exploit this to gain far more access than they should. This vulnerability arises from a stack-based buffer overflow in the Client Server Runtime System (CSRSS) which processes console window information. By providing a long FaceName value, local users can exploit this flaw to gain higher privileges.

What to do

If exploited, an attacker could potentially execute arbitrary code with elevated privileges, allowing them to manipulate system resources or sensitive data. This could lead to a complete compromise of the system, making it a worrying situation, especially if critical data is involved. To mitigate this risk, ensure that your systems are updated to the latest patches provided by Microsoft. Additionally, restrict local user access and regularly monitor applications that interact with console window settings. You got this! With the right updates and monitoring, you can keep your systems secure and those pesky vulnerabilities at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.20327 · 97.5th percentile
Published
2005-04-13T04:00Z
EPSS history
Timeline
  • 13 APR 04:00Z
    Stack-based buffer overflow in WINSRV.DLL in the Client Server Runtime System (CSRSS) process of Microsoft Windows 2000, Windows XP SP1 and SP2, and Windows…
    cvelistv5