Microsoft Windows NT 4.0 Print Spooler Spoolss.exe access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability was found in Microsoft Windows NT 4.0 (Operating System). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file Spoolss.exe of the component Print Spooler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Windows NT 4.0 print spooler allows a local user to execute arbitrary commands due to inappropriate permissions that allow the user to specify an alternate print provider.

The weakness was disclosed 11/04/1999 with eEye as MS99-047 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-1999-0899. The exploitation appears to be easy. Attacking locally is a requirement. A single authentication is required for exploitation. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading to version XP or 2000 eliminates this vulnerability. Applying the patch MS99-047 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at X-Force (3457). The entry VDB-14946 is pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows XP/2000
Patch: MS99-047

Timelineinfo

11/04/1999 🔍
11/04/1999 +0 days 🔍
11/04/1999 +0 days 🔍
11/04/1999 +0 days 🔍
03/09/2004 +1587 days 🔍
06/22/2014 +3757 days 🔍
04/07/2017 +1020 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS99-047
Organization: eEye
Status: Confirmed

CVE: CVE-1999-0899 (🔍)
X-Force: 3457
Vulnerability Center: 3937 - [MS99-047] Windows NT 4.0 Print Spooler Allows Command Execution, Medium
SecurityFocus: 769

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

Entryinfo

Created: 06/22/2014 14:33
Updated: 04/07/2017 16:02
Changes: 06/22/2014 14:33 (49), 04/07/2017 16:02 (19)
Complete: 🔍
Cache ID: 3:57F:103

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