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Category:   Application (Web Server/CGI)  >   Microsoft Internet Information Server (IIS) Web Server Vendors:   Microsoft
Microsoft IIS 4.0 Buffer Overflow in Redirect Function Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1010692
SecurityTracker URL:
CVE Reference:   CVE-2004-0205   (Links to External Site)
Date:  Jul 13 2004
Impact:   Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.0
Description:   A buffer overflow vulnerability was reported in Microsoft Internet Information Server (IIS) 4.0. A remote user can execute arbitrary code on the target system.

Microsoft reported that there is an unchecked buffer in the IIS 4.0 redirect function. A remote user can send a specially crafted message to the target web server to trigger the buffer overflow and execute arbitrary code, the report said.

Impact:   A remote user can execute arbitrary code on the target system with System level privileges.
Solution:   The vendor has issued the following fixes:

Microsoft Windows NT Workstation 4.0 Service Pack 6a:

Microsoft Windows NT Server 4.0 Service Pack 6a:

Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (NT)

Message History:   None.

 Source Message Contents


Microsoft Security Bulletin MS04-021

Security Update for IIS 4.0 (841373)

Microsoft Internet Information Server (IIS) 4.0

Impact of Vulnerability:  Remote Code Execution

Maximum Severity Rating: Important

Microsoft Windows NT Server 4.0 Service Pack 6a:


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