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ubuntuUbuntuUSN-6589-1
HistoryJan 18, 2024 - 12:00 a.m.

FileZilla vulnerability

2024-01-1800:00:00
ubuntu.com
10
filezilla
terrapin attack
ssh protocol
prefix truncation
remote attacker
security features
sensitive information
ubuntu
vulnerability

6.7 Medium

AI Score

Confidence

High

0.962 High

EPSS

Percentile

99.5%

Releases

  • Ubuntu 23.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Packages

  • 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.