Microsoft Windows WebDAV XML Message Handler Denial of Service - Secunia Advisories - Vulnerability Intelligence

Microsoft Windows WebDAV XML Message Handler Denial of Service
Secunia Advisory:	SA12801	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2004-10-12
Last Update:	2004-10-19
Popularity:	16,150 views

Critical:	Moderately critical
Impact:	DoS
Where:	From remote
Solution Status:	Vendor Patch

OS:	Microsoft Windows 2000 Advanced Server Microsoft Windows 2000 Datacenter Server Microsoft Windows 2000 Professional Microsoft Windows 2000 Server Microsoft Windows Server 2003 Datacenter Edition Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 Standard Edition Microsoft Windows Server 2003 Web Edition Microsoft Windows XP Home Edition Microsoft Windows XP Professional

Software:	Microsoft Internet Information Services (IIS) 5.x Microsoft Internet Information Services (IIS) 6

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2003-0718

Description: Amit Klein has reported a vulnerability in Microsoft Windows, which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to the WebDAV XML Message Handler not limiting the number of attributes that can be specified in an XML element. This can be exploited through Internet Information Services by sending a specially crafted WebDAV PROPFIND request. Successful exploitation causes the WebDAV XML Message Handler to consume all CPU resources for a period of time. NOTE: Microsoft Windows XP SP2 is not affected by this vulnerability. Solution: Apply patches. Microsoft Windows 2000 (requires SP3 or SP4): http://www.microsoft.com/downloads/de...=D2C632A7-CD43-466C-A624-D841905CE181 Microsoft Windows XP (prior to SP2): http://www.microsoft.com/downloads/de...=6A338C59-3693-4A25-B823-431A5C21A4B7 Microsoft Windows XP 64-Bit Edition (requires SP1): http://www.microsoft.com/downloads/de...=0412A361-28C5-45F7-9853-BCDC9D7B2B97 Microsoft Windows XP 64-Bit Edition Version 2003: http://www.microsoft.com/downloads/de...=1F9CA027-B0B8-47DC-BB96-8709E3DB0DF2 Microsoft Windows Serve 2003: http://www.microsoft.com/downloads/de...=81CE104D-5257-447C-A2CD-D4D149581D71 Microsoft Windows Server 2003 64-Bit Edition: http://www.microsoft.com/downloads/de...=1F9CA027-B0B8-47DC-BB96-8709E3DB0DF2 Provided and/or discovered by: Amit Klein, Sanctum Inc. Changelog: 2004-10-13: Added more information. 2004-10-19: Updated advisory. Original Advisory: MS04-030 (KB824151): http://www.microsoft.com/technet/security/bulletin/ms04-030.mspx

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