Ubuntu 6379-1: vsftpd vulnerability
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: vsftpd could allow unintended access to network services. Software Description: - vsftpd: FTP server written for security Details: It was discovered that vsftpd was vulnerable to the ALPACA TLS protocol content confusion attack. A remote attacker could possibly use this issue to redirect traffic from one subdomain to another.
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: vsftpd 3.0.5-0ubuntu0.20.04.1 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6379-1
CVE-2021-3618
Package Information
https://launchpad.net/ubuntu/+source/vsftpd/3.0.5-0ubuntu0.20.04.1