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From "Lukasz Lenart (JIRA)" <>
Subject [jira] Commented: (WW-3541) Request Parameter to Action Object Mapping Plugin for Insecure Direct Object References
Date Thu, 30 Dec 2010 06:30:48 GMT


Lukasz Lenart commented on WW-3541:

Some readings

> Request Parameter to Action Object Mapping Plugin for Insecure Direct Object References
> ---------------------------------------------------------------------------------------
>                 Key: WW-3541
>                 URL:
>             Project: Struts 2
>          Issue Type: New Feature
>          Components: Core Interceptors
>    Affects Versions:
>         Environment: All OS
>            Reporter: datta kudale
>   Original Estimate: 96h
>  Remaining Estimate: 96h
> JSP Parameter to Action Object Mapping (Security) Plugin does this great thing. Here
is also a short overview of what it does and why a developer would want to use it.
> Many applications expose their internal object references to users. Attackers use parameter
tampering to change references and violate the intended but unenforced access control policy.
Frequently, these references point to file systems and databases, but any exposed application
construct could be vulnerable.
> The best protection is to avoid exposing direct object references to users by using an
index, indirect reference map, or other indirect method that is easy to validate. If a direct
object reference must be used, ensure that the user is authorized before using it.
>     * Avoid exposing your private object references to users whenever possible, such
as primary keys or filenames
>     * Validate any private object references extensively with an "accept known good"
>     * Verify authorization to all referenced objects
> So to avoid internal object implementation to end user, this plugin can be used. 
> Please refer following link for Plugin

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