CVE-1999-0598

A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection

published February 4, 2000

CVSS
—
EPSS
2%
Percentile
79.4
In the wild
Unconfirmed
What it is

💡 A network intrusion detection system (IDS) has a surprising blind spot: it trips over out-of-order packets like a bouncer who can't handle a queue! Imagine a bustling restaurant where diners arrive in a jumbled order, and the waiter, confused by the chaos, misses a sneaky diner slipping out the back door. That's exactly how this IDS mishandles packets, allowing an attacker to go undetected. If an attacker takes advantage of this oversight, they could potentially bypass the security measures entirely, slipping through unnoticed while causing havoc on your network. The ramifications could be devastating, leading to data breaches or even system compromises before you realize something is amiss!

Put simply

Imagine a bustling restaurant where diners arrive in a jumbled order, and the waiter, confused by the chaos, misses a sneaky diner slipping out the back door. That's exactly how this IDS mishandles packets, allowing an attacker to go undetected. CVE-1999-0598 describes a vulnerability in which an IDS fails to process packets that arrive out of sequence correctly, which can allow for undetected intrusion attempts as attackers exploit this weakness.

What to do

If an attacker takes advantage of this oversight, they could potentially bypass the security measures entirely, slipping through unnoticed while causing havoc on your network. The ramifications could be devastating, leading to data breaches or even system compromises before you realize something is amiss! To mitigate this vulnerability, ensure you’re using the latest IDS updates that address packet sequencing issues. Regularly review your IDS configuration and consider implementing additional layers of security to monitor unexpected network behaviors. Staying vigilant is key! You've got this! By taking proactive steps, you can strengthen your defenses and keep your network safe. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01891 · 79.4th percentile
Published
2000-02-04T05:00Z
EPSS history
Timeline
  • 04 FEB 05:00Z
    A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection
    cvelistv5