Advisory Published

USN-6589-1: FileZilla vulnerability

First published: Thu Jan 18 2024(Updated: )

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.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/filezilla<3.65.0-3ubuntu0.1
3.65.0-3ubuntu0.1
Ubuntu Ubuntu=23.10
All of
ubuntu/filezilla-common<3.65.0-3ubuntu0.1
3.65.0-3ubuntu0.1
Ubuntu Ubuntu=23.10
All of
ubuntu/filezilla<3.58.0-1ubuntu0.1
3.58.0-1ubuntu0.1
Ubuntu Ubuntu=22.04
All of
ubuntu/filezilla-common<3.58.0-1ubuntu0.1
3.58.0-1ubuntu0.1
Ubuntu Ubuntu=22.04
All of
ubuntu/filezilla<3.46.3-1ubuntu0.1
3.46.3-1ubuntu0.1
Ubuntu Ubuntu=20.04
All of
ubuntu/filezilla-common<3.46.3-1ubuntu0.1
3.46.3-1ubuntu0.1
Ubuntu Ubuntu=20.04

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