CVE-1999-0999: Input Validation

Published Nov 19, 1999
·
Updated

Microsoft SQL 7.0 server allows a remote attacker to cause a denial of service via a malformed TDS packet.

Affected Software

1 affected component
Microsoft SQL Server=7.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Remove

    Remove Microsoft SQL Server 7.0 from your environment.

    If Microsoft SQL Server 7.0 is not required, uninstall or decommission affected instances to eliminate exposure to the vulnerability.

  2. Compensating control

    Restrict network exposure of Microsoft SQL Server instances and block or filter TDS (Tabular Data Stream) traffic at the network perimeter or firewall to prevent delivery of malformed TDS packets from untrusted networks.

  3. Operational

    Monitor Microsoft security advisories for an official patch or update that addresses the malformed TDS packet denial-of-service and apply the vendor-supplied fix when it becomes available.

Event History

Nov 19, 1999
CVE Published
05:00 AM
Data Sourced
via NVD·05:00 AM
DescriptionSeverityWeaknessAffected Software
Jan 18, 2000
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-1999-0999?

CVE-1999-0999 is classified as a denial of service vulnerability affecting Microsoft SQL Server 7.0.

2

How do I fix CVE-1999-0999?

To fix CVE-1999-0999, it is recommended to apply any available patches or updates provided by Microsoft.

3

What systems are affected by CVE-1999-0999?

CVE-1999-0999 specifically affects Microsoft SQL Server version 7.0.

4

Can CVE-1999-0999 be exploited remotely?

Yes, CVE-1999-0999 can be exploited remotely through malformed TDS packets.

5

What type of attack does CVE-1999-0999 enable?

CVE-1999-0999 enables remote attackers to cause a denial of service attack on the affected SQL servers.

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