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November 11th, 2024 - (CVE - coming soon...pending)
V10 versions below 10.8.3 and V11 versions below 11.2.3 are vulnerable to a password reset email exploit. If an end user clicks the link, their account is compromised. (CREDIT: Stratascale Cyber Research Unit)
Once you update you must configure your allowed email reset URL domains.
v10:Preferences, WebInterface, MiniURL: Set an allowed list of domains, comma separated.
v11:Preferneces, WebInterface, Login Page: Set a domain pattern that is not just '*' as a '*' is no longer allowed.

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April 19th, 2024 - CVE-2024-4040
CrushFTP v11 versions below 11.1 have a vulnerability where users can escape their VFS and download system files. This has been patched in v11.1.0. Customers using a DMZ in front of their main CrushFTP instance are partially protected with its protocol translation system it utilizes. A DMZ however does not fully protect you and you must update immediately. (CREDIT:Simon Garrelou, of Airbus CERT)

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FAQ:#

•If I'm on v10.8.3+...do I need to upgrade to v11? No, 10.8.3+ are safe.
•If I'm on v10.6.1, or v10.3, or v10.5.5, am I vulnerable? Yes! Update immediately to 10.8.3+ or v11.2.3+.

Update Bug on Windows
Some versions of CrushFTP had a problem applying an update automatically. They would fail to rename ".jar" files on Windows operating systems. They would instead leave behind ".jar_tmp" files needing the "_tmp" manually removed from them. This has been fixed for a while, but if you are still on one of these older builds, you will be affected the next time you attempt the update. So you need to fix the jar filenames one time manually. Example: CrushFTP.jar_tmp -> CrushFTP.jar. Same for all other jars in plugins folder, and the WebInterface folder has CrushTunnel.jar.

Updating CrushFTP v11#

How to update CrushFTP within the same major version number:#

1.) Login to the dashboard using your "crushadmin" equivalent user in the WebInterface.
2.) Click on the about tab.
3.) Click Update, Update Now.
4.) Wait roughly 5 minutes for the files to download, unzip, and be copied in place. CrushFTP will auto restart once done.
5.) Finished.

Installing an offline update when the server cannot reach our server over the internet directly:#

1.) Download CrushFTP11.zip from our download page. (https://www.crushftp.com/early11/CrushFTP11.zip)
2.) Give it the specific name `CrushFTP11_new.zip` and place this in the CrushFTP main folder. (Same location where you have your CrushFTP.jar file)
3.) See above normal instructions as Crush will use your local offline zip file.

How to restore a backup in the event of some issue or regression in functionality:#

(CrushFTP automatically creates a backup of its core files in the CrushFTP folder, backup folder.)
1.) Restore the CrushFTP.jar file.
2.) Restore the plugins folder.
3.) Restore the WebInterface folder...mainly the CrushTunnel.jar file from inside it.

Changelog: https://www.crushftp.com/version11_build.html
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Updating an old CrushFTP v10,v9 and prior#

You must upgrade: CrushFTPUpgrade
You need a v11 license code first! If you are an enterprise customer, contact us for your code. Its free if your maintenance is current.

All prior versions of CrushFTP were also affected by this most recent vulnerability.
CrushFTP v10 info: https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update