CVE-1999-0074: Medium severity FreeBSD FreeBSD vulnerability

Published Jul 1, 1997
·
Updated

Listening TCP ports are sequentially allocated, allowing spoofing attacks.

Affected Software

4 affected components
FreeBSD FreeBSD=6.2-stable
Linux Linux kernel=2.6.20.1
Microsoft Windows NT
NetBSD NetBSD=2.0.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    Until vendor fixes are applied, restrict exposure of affected hosts by applying firewall/ACL rules to limit which IPs can initiate TCP connections to services on the hosts (restrict to trusted networks), and disable or limit unnecessary listening services to reduce attack surface.

Event History

Jul 1, 1997
CVE Published
04:00 AM
Data Sourced
via NVD·04:00 AM
DescriptionSeverityAffected Software
Sep 29, 1999
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-1999-0074?

CVE-1999-0074 is classified as a high severity vulnerability due to the potential for spoofing attacks.

2

What types of systems are affected by CVE-1999-0074?

CVE-1999-0074 affects systems running FreeBSD, Linux Kernel, Microsoft Windows NT, and NetBSD.

3

How can I mitigate the risk associated with CVE-1999-0074?

To mitigate CVE-1999-0074, consider implementing firewall rules to restrict unauthorized access to services.

4

Are there any updates available that fix CVE-1999-0074?

You should check for updates from your specific operating system vendor that address CVE-1999-0074.

5

What are the potential consequences of CVE-1999-0074 exploitation?

Exploitation of CVE-1999-0074 can lead to unauthorized access and manipulation of system services through spoofing.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203