Windows Remote Installation Service TFTP Server Lets Remote Users Overwrite Files to Execute Arbitrary Code
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SecurityTracker Alert ID: 1017368
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SecurityTracker URL: http://securitytracker.com/id?1017368
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CVE Reference: CVE-2006-5584
(Links to External Site)
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Date: Dec 12 2006
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Impact: Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: Microsoft Security Bulletin
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Version(s): 2000 SP4
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Description: A vulnerability was reported in Windows Remote Installation Service. A remote user can overwrite operating system files to execute arbitrary code on the target system.
The Remote Installation Service (RIS) includes a TFTP service. A remote user can connect to the service and overwrite existing operating
system files or upload arbitrary files. As a result, a remote user can modify the operating system and cause arbitrary code to
be executed at a later time on the target system.
The Remote Install Service is not installed by default.
Microsoft credits
Nicolas Ruff for reporting this vulnerability.
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Impact: A remote user can modify files to execute arbitrary code on the target system.
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Solution: The vendor has issued the following fix:
Microsoft Windows 2000 Service Pack 4:
http://www.microsoft.com/downloads/details.aspx?FamilyId=0ed62db9-4534-4f27-a49e-020c
7a7d69e0"
A restart is required.
The Microsoft advisory is available at:
http://www.microsoft.com/technet/security/bulletin/ms06-077.mspx
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Vendor URL: www.microsoft.com/technet/security/bulletin/ms06-077.mspx (Links to External Site)
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Cause: Boundary error
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Underlying OS: Windows (2000)
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Message History:
None.
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Source Message Contents
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Date: Tue, 12 Dec 2006 13:14:47 -0500
Subject: Microsoft Security Bulletin MS06-077: Vulnerability in Remote Installation Service Could Allow Remote Code Execution (926121)
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http://www.microsoft.com/technet/security/bulletin/ms06-077.mspx
CVE-2006-5584
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