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Ubuntu 20.04 LTS USN-6379-1 Critical Vsftpd Remote Access Issue

ubuntu
Calendar Grey September 18, 2023
Scroller Ubuntu
Ubuntu Security Announcement USN-6380-1 details a severe vsftpd vulnerability impacting Ubuntu 22.04 LTS.
vsftpd could allow unintended access to network services.

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.

Topics%20covered

Topics Covered

security advisory critical remote access access issue Ubuntu vsftpd ALPACA attack

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6379-1

Topics%20covered

Topics Covered

security advisory critical remote access access issue Ubuntu vsftpd ALPACA attack

Package Information

https://launchpad.net/ubuntu/+source/vsftpd/3.0.5-0ubuntu0.20.04.1

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