Microsoft Windows NT 4.0 Help File 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, was found in Microsoft Windows NT 4.0. This issue affects some unknown processing of the component Help File Handler. Executing a manipulation can lead to privileges management. This vulnerability is tracked as CVE-1999-0975. The attack is restricted to local execution. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Microsoft Windows NT 4.0 (Operating System) and classified as problematic. This vulnerability affects some unknown functionality of the component Help File Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Windows help system can allow a local user to execute commands as another user by editing a table of contents metafile with a .CNT extension and modifying the topic action to include the commands to be executed when the .hlp file is accessed.

The weakness was disclosed 12/10/1999 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-1999-0975. The exploitation appears to be easy. The attack needs to be approached locally. A single authentication is required for exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (19673) and SecurityFocus (BID 868†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/10/1999 🔍
12/10/1999 +0 days 🔍
12/10/1999 +0 days 🔍
06/22/2014 +5308 days 🔍
01/28/2025 +3873 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-1999-0975 (🔍)
GCVE (CVE): GCVE-0-1999-0975
GCVE (VulDB): GCVE-100-15052
SecurityFocus: 868 - Microsoft Help File Trojan Vulnerability

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

Entryinfo

Created: 06/22/2014 15:53
Updated: 01/28/2025 18:45
Changes: 06/22/2014 15:53 (50), 04/07/2017 16:02 (2), 01/28/2025 18:45 (26)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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