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Feature Proposal: CSRF Fix for TWiki


The fix discussed in SecurityAlert-CVE-2009-1339 is not complete fix for CSRF kind of attacks.

Examples can provided on request. I can post the examples to this proposal/Bug once CSRF is fixed for TWiki

Description and Documentation

We can have fix based on tokens:

  • Create the token for each forms which modify the content of TWiki topics/metadata's
  • The token's are accompanied with the requests of various actions like "save", "register", "comment".
  • The valid tokens are verified while performing the secured actions. The successfully verified tokens expired from token database.
  • The false tokens/used tokens throw the error.




-- Contributors: SopanShewale - 2009-07-30


This is documented for admins at SecurityAuditTokenBasedCsrfFix

-- PeterThoeny - 2009-09-02

This is now released with TWiki-4.3.2

-- PeterThoeny - 2009-09-28

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Topic revision: r3 - 2009-09-28 - PeterThoeny
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