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Multiple Vendor SOAP Server XML Parser Denial of Service
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Secunia Advisory:
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SA10398
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Release Date:
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2003-12-10
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Popularity:
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11,316 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | ASP.NET 1.x
IBM WebSphere Application Server 5.x
Macromedia ColdFusion MX 6.x
Macromedia Jrun 4.x
Microsoft .NET Framework 1.x
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Description:
A vulnerability has been identified in various products, which can be exploited by malicious people to cause a DoS (Denial of Service).
It is possible to make the XML parser perform extensive processing during the parsing of XML documents when compiling a list of attributes for parsed elements.
This can be exploited by sending a specially crafted SOAP request, which causes vulnerable SOAP servers to consume all CPU resources for an extended period of time depending on the payload size.
The vulnerability affects the following products:
* IBM WebSphere 5.0.0, 5.0.1, 5.0.2, and 5.0.2.1.
* Microsoft ASP.NET Web Services (.NET framework 1.0 and 1.1).
* Macromedia ColdFusion MX 6.0 and 6.1.
* Macromedia JRun 4.
Solution:
-- IBM WebSphere --
Apply IBM patch PQ81278 (requires Update Installer) available at:
ftp://ftp.software.ibm.com/software/websphere/appserv/support/fixes/PQ81278/
-- Microsoft ASP.NET Web Services --
Follow recommended practices described in Knowledge Base Article 832878:
http://support.microsoft.com/default.aspx?kbid=832878
-- Macromedia products --
Apply patches.
ColdFusion MX 6.0 and 6.1 / JRun 4:
http://download.macromedia.com/pub/security/mpsb03-07.zip
ColdFusion MX J2EE IBM WebSphere:
http://download.macromedia.com/pub/security/mpsb03_07_was5.zip
Provided and/or discovered by:
Amit Klein of Sanctum Inc.
Original Advisory:
Macromedia:
http://www.macromedia.com/devnet/security/security_zone/mpsb03-07.html
IBM:
http://www-1.ibm.com/support/docview....QTP&q=PQ81278&uid=swg24005943
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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