Microsoft Services for UNIX Network File System (NFS) server is vulnerable to denial of service via memory leak

Overview

The NFS server included in the Microsoft Services for Unix package contains a denial-of-service vulnerability that may cause the system to become unstable or crash.

Description

The Network File System (NFS) server included in the Microsoft Services for Unix (SFU) package contains a memory leak that can lead to excessive resource consumption on affected systems.

This vulnerability affects Microsoft Windows NT 4.0 and Windows 2000 systems that have the SFU package installed.

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Impact

By sending repeated requests to an affected Microsoft NFS server, attackers can consume all available memory resources, resulting in a denial-of-service condition.

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Solution

Microsoft has released the following patches to address this vulnerability

Windows NT 4.0: http://www.microsoft.com/Downloads/Release.asp?ReleaseID=31600
Windows 2000: http://www.microsoft.com/Downloads/Release.asp?ReleaseID=31592

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Vendor Information

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Updated: August 07, 2001

Status

Affected

Vendor Statement

Microsoft has addressed this vulnerability in the following Microsoft Security Bulletin

http://www.microsoft.com/technet/security/bulletin/MS01-039.asp

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has archived Microsoft’s announcement of MS01-039 at

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23581603 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.microsoft.com/technet/security/bulletin/MS01-039.asp&gt;
• <http://www.securityfocus.com/bid/3089&gt;

Acknowledgements

This vulnerability was reported to Microsoft by Peter Grundl.

This document was written by Jeffrey P. Lanza and is based on information provided by Microsoft.

Other Information

CVE IDs:	CVE-2001-0505
Severity Metric:	4.73 Date Public: