[Owasp-leaders] 3rd Party JavaScript Management Cheatsheet

Antonio Fontes - OWASP antonio.fontes at owasp.org
Mon Apr 18 11:19:12 UTC 2016


Hi,

Just added a chapter about risks. Feel free to remove/edit it if
inadequate :)

cheers,
Antonio


--
OWASP Geneva Chapter
Contact: geneva at owasp.ch
Twitter: @owasp_geneva
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On 4/15/2016 2:59 PM, Ryan Barnett wrote:
> New Content Security Policy (CSP) has checksum support
> - https://www.owasp.org/index.php/Content_Security_Policy_Cheat_Sheet#Refactoring_inline_code
> 
> Additionally, I would recommend some references to the following -
> 
>   * DOMPurify - https://github.com/cure53/DOMPurify
>   * MentalJS - https://github.com/hackvertor/MentalJS
> 
> Both of these can be used by sites to sandbox/clean DOM data.  If these
> are called up in the HTML header prior to other 3rd party JS code calls,
> it can provide protections.
> 
> -Ryan
> 
> From: <owasp-leaders-bounces at lists.owasp.org
> <mailto:owasp-leaders-bounces at lists.owasp.org>> on behalf of Rogan Dawes
> <rogan at dawes.za.net <mailto:rogan at dawes.za.net>>
> Date: Friday, April 15, 2016 at 5:41 AM
> To: Kim Carter <kim.carter at owasp.org <mailto:kim.carter at owasp.org>>,
> <owasp-leaders at lists.owasp.org <mailto:owasp-leaders at lists.owasp.org>>
> Subject: Re: [Owasp-leaders] 3rd Party JavaScript Management Cheatsheet
> 
> My google-fu is weak today, but I'm pretty sure I recall reading about a
> mechanism to provide a checksum of an included resource in the including
> page, such that the browser will reject any content that does not match
> the checksum. That seems like a valuable addition to this cheat sheet,
> to me.
> 
> 
> On Fri, Apr 15, 2016 at 10:02 AM Kim Carter <kim.carter at owasp.org
> <mailto:kim.carter at owasp.org>> wrote:
> 
>     Excellent! Doesn't seem to be anything there though...
> 
> 
> 
> 
>     Kim Carter
> 
>     OWASP New Zealand Chapter Leader (Christchurch)
> 
>     Author of *Holistic Info-Sec for Web Developers*
>     <https://leanpub.com/b/holisticinfosecforwebdevelopers>
> 
>     c: +64 274 622 607
> 
> 
> 
> 
> 
> 
> 
> 
>     On 15/04/16 09:10, Taras wrote:
>>     Hi!
>>
>>     It's a very interesting topic and good cheatsheet! My suggestions are:
>>     1. Add some code examples
>>     2. Add some diagrams to illustrate Server Direct flow
>>     3. What about using SRI (https://www.w3.org/TR/SRI/)? Can we use it
>>     here?
>>     4. What about using iframe from different domain (e.g. static data
>>     host) as "jail" for such 3rd party code? We can make communication
>>     between the host and this iframe with postMessage
>>
>>
>>     В Пн, 11/04/2016 в 16:41 -1000, Jim Manico пишет:
>>>     Hello folks,
>>>
>>>     Jim Weiler from the OWASP Boston chapter just released a cheatsheet
>>>     on 3rd party JavaScript management. I think this is a solid and very
>>>     interesting piece of work. It address a security concern which many
>>>     website operators face.
>>>
>>>     Take a look, your feedback is - as always - appreciated.
>>>
>>>     https://www.owasp.org/index.php/3rd_Party_Javascript_Management_Cheat
>>>     _Sheet
>>>
>>>     Aloha,
>>>     Jim Manico
>>>
>>>
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>>>
>>>
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> 
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