USN-6379-1: vsftpd vulnerability

Releases

• Ubuntu 20.04 LTS

Packages

• 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

• 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

• CVE-2021-3618

Related notices

• USN-5371-1: libnginx-mod-http-fancyindex, libnginx-mod-http-upstream-fair, libnginx-mod-http-xslt-filter, libnginx-mod-http-geoip2, nginx-light, nginx, libnginx-mod-http-headers-more-filter, libnginx-mod-http-cache-purge, libnginx-mod-http-ndk, libnginx-mod-http-lua, nginx-doc, nginx-core, libnginx-mod-http-echo, nginx-common, libnginx-mod-stream-geoip2, libnginx-mod-nchan, libnginx-mod-http-uploadprogress, libnginx-mod-stream, libnginx-mod-http-geoip, libnginx-mod-stream-geoip, libnginx-mod-rtmp, nginx-extras, libnginx-mod-mail, libnginx-mod-http-dav-ext, libnginx-mod-http-perl, nginx-full, libnginx-mod-http-subs-filter, libnginx-mod-http-auth-pam, libnginx-mod-http-image-filter
• USN-5371-2: libnginx-mod-http-fancyindex, libnginx-mod-http-upstream-fair, libnginx-mod-http-xslt-filter, libnginx-mod-http-geoip2, nginx-light, nginx, libnginx-mod-http-headers-more-filter, libnginx-mod-http-cache-purge, libnginx-mod-http-ndk, nginx-doc, nginx-core, libnginx-mod-http-echo, nginx-common, libnginx-mod-stream-geoip2, libnginx-mod-nchan, libnginx-mod-http-uploadprogress, libnginx-mod-stream, libnginx-mod-http-geoip, libnginx-mod-stream-geoip, libnginx-mod-rtmp, nginx-extras, libnginx-mod-mail, libnginx-mod-http-dav-ext, libnginx-mod-http-perl, nginx-full, libnginx-mod-http-subs-filter, libnginx-mod-http-auth-pam, libnginx-mod-http-image-filter