VDB-13911 · CVE-1999-0275 · XFDB 6

Microsoft Windows NT 4.0 DNS Server denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Microsoft Windows NT 4.0. The impacted element is an unknown function of the component DNS Server. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-1999-0275. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows NT 4.0 (Operating System). It has been classified as problematic. This affects some unknown functionality of the component DNS Server. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

denial of service in windows nt dns servers by flooding port 53 with too many characters.

The weakness was released 06/10/1997. This vulnerability is uniquely identified as CVE-1999-0275. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 10312 (WindowsNT DNS Server Character Saturation DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family DNS, running in the context r and relying on port 53.

Upgrading to version XP or 2000 eliminates this vulnerability.It is possible to mitigate the weakness by firewalling DNS Ports. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (6), Tenable (10312) and Vulnerability Center (SBV-245†). Entry connected to this vulnerability is available at VDB-13907. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Microsoft

Name

Windows

Version

NT 4.0

License

commercial

Website

Vendor: https://www.microsoft.com/
Product: https://www.microsoft.com/en-us/windows

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 10312
Nessus Name: WindowsNT DNS Server Character Saturation DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows XP/2000
Firewalling: 🔍

Timelineinfo

06/10/1997 🔍
06/10/1997 +0 days 🔍
06/10/1997 +0 days 🔍
06/22/1999 +742 days 🔍
11/25/2002 +1252 days 🔍
06/18/2014 +4223 days 🔍
04/16/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Status: Confirmed

CVE: CVE-1999-0275 (🔍)
GCVE (CVE): GCVE-0-1999-0275
GCVE (VulDB): GCVE-100-13911
X-Force: 6
Vulnerability Center: 245 - Windows DNS DOS, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/18/2014 11:41
Updated: 04/16/2026 20:17
Changes: 06/18/2014 11:41 (42), 05/05/2019 18:05 (23), 04/16/2026 20:17 (18)
Complete: 🔍
Cache ID: 216::103