- Vulnerability/
- USN-6589-1
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 Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/filezilla | <3.65.0-3ubuntu0.1 | 3.65.0-3ubuntu0.1 |
| Ubuntu | =23.10 | |
| All of | ||
| ubuntu/filezilla-common | <3.65.0-3ubuntu0.1 | 3.65.0-3ubuntu0.1 |
| Ubuntu | =23.10 | |
| All of | ||
| ubuntu/filezilla | <3.58.0-1ubuntu0.1 | 3.58.0-1ubuntu0.1 |
| Ubuntu | =22.04 | |
| All of | ||
| ubuntu/filezilla-common | <3.58.0-1ubuntu0.1 | 3.58.0-1ubuntu0.1 |
| Ubuntu | =22.04 | |
| All of | ||
| ubuntu/filezilla | <3.46.3-1ubuntu0.1 | 3.46.3-1ubuntu0.1 |
| Ubuntu | =20.04 | |
| All of | ||
| ubuntu/filezilla-common | <3.46.3-1ubuntu0.1 | 3.46.3-1ubuntu0.1 |
| Ubuntu | =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-48795
- https://ubuntu.com/security/notices/USN-6560-1
- https://ubuntu.com/security/notices/USN-6561-1
- https://ubuntu.com/security/notices/USN-6560-2
- https://ubuntu.com/security/notices/USN-6585-1
- https://ubuntu.com/security/notices/USN-6598-1
- https://ubuntu.com/security/notices/USN-6738-1
- https://ubuntu.com/security/notices/USN-7051-1
- https://ubuntu.com/security/notices/USN-7292-1
- https://ubuntu.com/security/notices/USN-7297-1
- 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
- https://ubuntu.com/security/notices/USN-6589-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-6589-1?
USN-6589-1 addresses a prefix truncation vulnerability in FileZilla that could allow a remote attacker to disable security features.
How do I fix USN-6589-1?
To fix USN-6589-1, update FileZilla to version 3.65.0-3ubuntu0.1 or higher on supported Ubuntu versions.
Which versions of FileZilla are affected by USN-6589-1?
FileZilla versions prior to 3.65.0-3ubuntu0.1 are affected on Ubuntu versions 23.10, 22.04, and 20.04.
Can USN-6589-1 lead to data exposure?
Yes, USN-6589-1 can potentially lead to sensitive data exposure due to disabled security features.
Is it safe to use FileZilla with USN-6589-1 vulnerability?
It is not safe to use FileZilla with the USN-6589-1 vulnerability until it has been patched with the latest update.
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