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Updated FileZilla packages are available for Ubuntu Linux 20.04 LTS, 22.04, and 23.10:

[USN-6589-1] FileZilla vulnerability




[USN-6589-1] FileZilla vulnerability


==========================================================================
Ubuntu Security Notice USN-6589-1
January 18, 2024

filezilla vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

FileZilla could be made to expose sensitive information over the
network.

Software Description:
- filezilla: Full-featured graphical FTP/FTPS/SFTP client

Details:

Fabian Baeumer, Marcus Brinkmann and Joerg Schwenk discovered that the SSH
protocol used in FileZilla is prone to a prefix truncation attack, known as
the "Terrapin attack". A remote attacker could use this issue to downgrade or
disable some security features and obtain sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
filezilla 3.65.0-3ubuntu0.1
filezilla-common 3.65.0-3ubuntu0.1

Ubuntu 22.04 LTS:
filezilla 3.58.0-1ubuntu0.1
filezilla-common 3.58.0-1ubuntu0.1

Ubuntu 20.04 LTS:
filezilla 3.46.3-1ubuntu0.1
filezilla-common 3.46.3-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6589-1
CVE-2023-48795

Package Information:
https://launchpad.net/ubuntu/+source/filezilla/3.65.0-3ubuntu0.1
https://launchpad.net/ubuntu/+source/filezilla/3.58.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/filezilla/3.46.3-1ubuntu0.1