CVE-1999-0601

A network intrusion detection system (IDS) does not properly handle data within TCP handshake packets

published February 4, 2000

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

⚠️ A data mishandling glitch during TCP handshakes in a network intrusion detection system could open a door to mischief! Think of a restaurant where the chef misreads the order and serves a completely different dish – that’s the IDS misinterpreting the data, potentially leading to unexpected results. It’s like having a security guard who doesn’t check the guest list properly and lets in anyone! An attacker could exploit this vulnerability to bypass detection mechanisms, sneaking malicious traffic past the IDS unnoticed. While the severity is currently unknown, the potential for a crafty intruder to take advantage should make every security team sit up and take notice!

Put simply

Think of a restaurant where the chef misreads the order and serves a completely different dish – that’s the IDS misinterpreting the data, potentially leading to unexpected results. It’s like having a security guard who doesn’t check the guest list properly and lets in anyone! This vulnerability exists because the IDS fails to adequately parse the contents of TCP handshake packets, leading to improper handling of incoming data.

What to do

An attacker could exploit this vulnerability to bypass detection mechanisms, sneaking malicious traffic past the IDS unnoticed. While the severity is currently unknown, the potential for a crafty intruder to take advantage should make every security team sit up and take notice! Investigate the configuration of your IDS and ensure it is updated to the latest version. Regularly monitor logs for unusual activities, and consider implementing additional security layers as a safeguard. You've got this! Stay vigilant and ensure your defenses are solid! 🛡️

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 data within TCP handshake packets
    cvelistv5