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

A vulnerability, which was classified as problematic, was found in Microsoft Windows NT 4.0/2000 (Operating System). This affects some unknown processing of the component NNTP Service. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is:

Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.

The weakness was presented 09/20/2001 with Microsoft as MS01-043 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-2001-0543. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Applying the patch MS01-043 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the vulnerability database at X-Force (6977). See 17371 for similar entry.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 2000
• NT 4.0

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-043

Timelineinfo

08/15/2001 🔍
08/15/2001 +0 days 🔍
09/20/2001 +36 days 🔍
09/20/2001 +0 days 🔍
03/16/2004 +908 days 🔍
07/09/2014 +3767 days 🔍
05/20/2019 +1776 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS01-043
Organization: Microsoft
Status: Confirmed

CVE: CVE-2001-0543 (🔍)
OVAL: 🔍

X-Force: 6977 - Microsoft Windows NT and 2000 NNTP memory leak denial of service
Vulnerability Center: 3987 - [MS01-043] DoS in Microsoft Windows 2000 / NT NNTP via Multiple Malformed Posts, Medium
SecurityFocus: 3183 - Microsoft Windows NNTP Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/09/2014 12:24
Updated: 05/20/2019 14:58
Changes: 07/09/2014 12:24 (44), 05/20/2019 14:58 (23)
Complete: 🔍

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