Microsoft Windows NT 4.0 NtOpenProcessToken GetAdmin access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as critical was found in Microsoft Windows NT 4.0 (Operating System). This vulnerability affects an unknown code block of the component NtOpenProcessToken. The manipulation with an unknown input leads to a access control vulnerability (GetAdmin). The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

a windows nt 4.0 user can gain administrative rights by forcing ntopenprocesstoken to succeed regardless of the user s permissions aka getadmin.

The weakness was released 01/01/1997 as Q146965 as confirmed knowledge base article (Website). The advisory is shared for download at support.microsoft.com. This vulnerability was named CVE-1999-0496. The exploitation appears to be easy. The attack needs to be approached locally. The requirement for exploitation is a single authentication. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/07/2017). The MITRE ATT&CK project declares the attack technique as T1068. This vulnerability has a historic impact due to its background and reception.

It is declared as highly functional.

Upgrading to version XP or 2000 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (286). Entries connected to this vulnerability are available at 13819, 13818, 13817 and 13815.

Productinfo

Type

Vendor

Name

Version

License

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

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

NVD Base Score: 🔍

Exploitinginfo

Name: GetAdmin
Class: Access control / GetAdmin
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional

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

Timelineinfo

01/01/1997 🔍
01/01/1997 +0 days 🔍
01/01/1997 +0 days 🔍
01/21/2003 +2211 days 🔍
06/17/2014 +4165 days 🔍
04/07/2017 +1025 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: Q146965
Status: Confirmed

CVE: CVE-1999-0496 (🔍)
X-Force: 286
Vulnerability Center: 672 - Windows NT 4.0 user can gain administrative \, Medium

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

Entryinfo

Created: 06/18/2014 00:10
Updated: 04/07/2017 16:03
Changes: 06/18/2014 00:10 (47), 04/07/2017 16:03 (16)
Complete: 🔍

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