Vulnerability Note VU#395588

Microsoft Internet Information Services vulnerable to remote code execution via specially crafted ASP file

Overview

Microsoft Internet Information Services (IIS) contains a buffer overflow vulnerability. This may allow a remote, authenticated attacker to execute arbitrary code on a vulnerable system.

I. Description

IIS

IIS is a web server that comes with Microsoft Windows.

ASP

ASP (Active Server Pages) is a technology for creating dynamic web sites. IIS includes the ability to serve ASP content.

The problem

IIS contains a buffer overflow in the handling of specially crafted ASP pages.

II. Impact

A remote, authenticated attacker may be able to run arbitrary code on a vulnerable system. This code would run with the privileges of IWAM_<machinename> on a system with IIS 5.0 and 5.1, and it would run with NetworkService privileges on a system with IIS 6.0.

III. Solution

Apply an update

This vulnerability is addressed by the updates provided by MS06-034.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Vulnerable	11-Jul-2006

References

http://www.microsoft.com/technet/security/bulletin/ms06-034.mspx

Credit

Thanks to Microsoft for reporting this vulnerability, who in turn credit Brett Moore of Security-Assessment.com.

This document was written by Will Dormann.

Other Information

Date Public:	2006-07-11
Date First Published:	2006-07-11
Date Last Updated:	2006-07-19
CERT Advisory:
CVE-ID(s):	CVE-2006-0026
NVD-ID(s):	CVE-2006-0026
US-CERT Technical Alerts:
Metric:	19.42
Document Revision:	5

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Produced 2006 by US-CERT, a government organization
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