Microsoft Windows 2000 Terminal Service improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows 2000. This impacts an unknown function of the component Terminal Service. Such manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2003-0496. Local access is required to approach this attack. Moreover, an exploit is present. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 2000 (Operating System). It has been rated as critical. Affected by this issue is an unknown code block of the component Terminal Service. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, and integrity. CVE summarizes:

Microsoft SQL Server before Windows 2000 SP4 allows local users to gain privileges as the SQL Server user by calling the xp_fileexist extended stored procedure with a named pipe as an argument instead of a normal file.

The issue has been introduced in 02/17/2000. The weakness was disclosed 07/04/2003 with Microsoft (Website). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2003-0496 since 06/30/2003. The attack needs to be approached locally. The requirement for exploitation is a simple authentication. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1233 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at Exploit-DB (22882), SecurityFocus (BID 8098†) and Vulnerability Center (SBV-5604†). The entries VDB-153, VDB-146, VDB-154 and VDB-148 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
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: Improper authentication
CWE: CWE-287
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: microsoft.com

Timelineinfo

02/17/2000 🔍
06/26/2003 +1225 days 🔍
06/30/2003 +4 days 🔍
07/04/2003 +4 days 🔍
07/04/2003 +0 days 🔍
08/18/2003 +45 days 🔍
02/15/2025 +7852 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: microsoft.com
Researcher: http://www.microsoft.com
Organization: Microsoft
Status: Confirmed

CVE: CVE-2003-0496 (🔍)
GCVE (CVE): GCVE-0-2003-0496
GCVE (VulDB): GCVE-100-152
SecurityFocus: 8098 - Microsoft Windows 2000 Terminal Services Named Pipe System Account Access Vulnerability
Vulnerability Center: 5604

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

Entryinfo

Created: 07/04/2003 02:00
Updated: 02/15/2025 07:02
Changes: 07/04/2003 02:00 (56), 04/07/2017 16:01 (4), 03/08/2021 13:18 (7), 07/05/2024 03:31 (15), 02/15/2025 07:02 (13)
Complete: 🔍
Cache ID: 216:C5E:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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