CVE-2000-0848

Buffer overflow in IBM WebSphere web application server (WAS) allows remote attackers to execute arbitrary commands via a long Host: request header

published January 22, 2001

CVSS
—
EPSS
6%
Percentile
93.6
In the wild
Unconfirmed
What it is

⚠️ A long Host: header is all it takes for a crafty attacker to exploit this buffer overflow in IBM WebSphere! 🚨 Think of it like a restaurant that receives an order ticket with an excessively long request. If the kitchen isn’t careful, that ticket could overflow and disrupt the whole system, letting in unwanted ingredients! If exploited, this vulnerability could allow an attacker to execute arbitrary commands on the server, potentially compromising sensitive data or taking control of the application. It’s like giving the keys to your restaurant to a stranger who could change the menu or even shut down your kitchen!

Put simply

Think of it like a restaurant that receives an order ticket with an excessively long request. If the kitchen isn’t careful, that ticket could overflow and disrupt the whole system, letting in unwanted ingredients! This buffer overflow occurs because the IBM WebSphere web application server does not correctly validate the length of the Host: request header, allowing attackers to send overly long headers that can overwrite memory.

What to do

If exploited, this vulnerability could allow an attacker to execute arbitrary commands on the server, potentially compromising sensitive data or taking control of the application. It’s like giving the keys to your restaurant to a stranger who could change the menu or even shut down your kitchen! To mitigate this issue, ensure your IBM WebSphere server is updated to the latest version with all security patches applied. Additionally, implement strict input validation to prevent overly long request headers from being processed. Regularly monitor your systems for any unusual requests. You’ve got this! With these steps, you can ensure your server is secure and ready to keep the bad guys out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06412 · 93.6th percentile
Published
2001-01-22T05:00Z
EPSS history
Timeline
  • 22 JAN 05:00Z
    Buffer overflow in IBM WebSphere web application server (WAS) allows remote attackers to execute arbitrary commands via a long Host: request header
    cvelistv5