Microsoft Windows NT 3.51/NT 4.0 Known DLL List privileges management

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows NT 3.51/NT 4.0. Affected is an unknown function of the component Known DLL List. The manipulation leads to privileges management. This vulnerability is traded as CVE-1999-0376. An attack has to be approached locally. Furthermore, there is an exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows NT 3.51/NT 4.0 (Operating System). This issue affects an unknown functionality of the component Known DLL List. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Local users in Windows NT can obtain administrator privileges by changing the KnownDLLs list to reference malicious programs.

The weakness was shared 02/20/1999 as MS99-006 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. The identification of this vulnerability is CVE-1999-0376. The exploitation is known to be easy. Attacking locally is a requirement. The successful exploitation needs a simple authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Applying the patch MS99-006 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (1820), Exploit-DB (19198), SecurityFocus (BID 234†) and Vulnerability Center (SBV-727†). Be aware that VulDB is the high quality 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: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS99-006

Timelineinfo

02/20/1999 🔍
02/20/1999 +0 days 🔍
02/20/1999 +0 days 🔍
01/26/2003 +1436 days 🔍
06/20/2014 +4163 days 🔍
01/29/2025 +3876 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS99-006
Status: Confirmed

CVE: CVE-1999-0376 (🔍)
GCVE (CVE): GCVE-0-1999-0376
GCVE (VulDB): GCVE-100-14519
X-Force: 1820
SecurityFocus: 234
Vulnerability Center: 727 - [MS99-006] Windows NT Local Privilege Elevation via Changing KnownDLLs List, Medium

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

Entryinfo

Created: 06/20/2014 17:05
Updated: 01/29/2025 16:18
Changes: 06/20/2014 17:05 (59), 05/03/2019 06:59 (1), 01/29/2025 16:18 (24)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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