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Threat of CSRF

Security Advisory DateJanuary 6, 2022
Vulnerability TypeCross-site Request Forgery (CSRF)
Severity factors

Medium, since this only occurs in browsers where cookies have samesite set to None.

Versions affectedAll versions of FileCloud prior to 21.3
Version fixedFileCloud Version 21.3.0.18447

Description

This vulnerability enables an attacker to forge a request that, if executed by an administrator, submits a request that uploads a malicious file to FileCloud. This only occurs if cookies have samesite set to None.


Fix

This has been fixed in FileCloud version 21.3.0.18447, which includes additional CSRF checks for uploads

What you should do

  • If you are using FileCloud on-premises, it is recommended that you update to the latest version, which is 21.3.0.18447 or greater. This will resolve the issue.
  • If you are using FileCloud online, your site has already been updated to the latest version.

If you have any questions about this advisory, please contact FileCloud support

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