Microsoft Windows 2000 LANMAN Service memory allocation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows 2000. It has been declared as problematic. Impacted is an unknown function of the component LANMAN Service. The manipulation results in memory allocation. This vulnerability is identified as CVE-2002-0597. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows 2000 (Operating System). It has been classified as problematic. Affected is some unknown processing of the component LANMAN Service. The manipulation with an unknown input leads to a memory allocation vulnerability. CWE is classifying the issue as CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. This is going to have an impact on availability. CVE summarizes:

LANMAN service on Microsoft Windows 2000 allows remote attackers to cause a denial of service (CPU/memory exhaustion) via a stream of malformed data to microsoft-ds port 445.

The bug was discovered 10/15/2001. The weakness was released 04/17/2002 by Peter Gründl with Microsoft as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is traded as CVE-2002-0597. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 790 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 82037 (Microsoft Windows 2000 Lanman Denial of Service Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (8867), Exploit-DB (21388), SecurityFocus (BID 4532†), OSVDB (5179†) and Vulnerability Center (SBV-3065†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
PaloAlto IPS: 🔍

Timelineinfo

02/17/2000 🔍
10/15/2001 +606 days 🔍
04/17/2002 +183 days 🔍
04/17/2002 +0 days 🔍
04/17/2002 +0 days 🔍
04/17/2002 +0 days 🔍
06/18/2002 +61 days 🔍
12/01/2003 +531 days 🔍
04/09/2004 +129 days 🔍
07/11/2014 +3745 days 🔍
09/15/2025 +4084 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: kb.cert.org
Researcher: Peter Gründl
Organization: Microsoft
Status: Confirmed

CVE: CVE-2002-0597 (🔍)
GCVE (CVE): GCVE-0-2002-0597
GCVE (VulDB): GCVE-100-18276
CERT: 🔍
X-Force: 8867
SecurityFocus: 4532 - Microsoft Windows 2000 Lanman Denial of Service Vulnerability
OSVDB: 5179 - Microsoft Windows 2000 microsoft-ds DoS
Vulnerability Center: 3065 - LANMAN Service on Microsoft Windows 2000 DoS, High

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

Entryinfo

Created: 07/11/2014 14:11
Updated: 09/15/2025 02:08
Changes: 07/11/2014 14:11 (64), 09/17/2018 07:08 (8), 12/27/2024 01:41 (17), 04/24/2025 14:25 (1), 09/15/2025 02:08 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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