Updated ProFTPD packages has been released for Debian GNU/Linux 8 LTS to address an issue in the mod_copy module
Package : proftpd-dfsgProFTPD Update for Debian 8 LTS
Version : 1.3.5e+r1.3.5-2+deb8u3
CVE ID : CVE-2019-12815
Debian Bug : 932453
Tobias Maedel discovered that the mod_copy module of ProFTPD, a
FTP/SFTP/FTPS server, performed incomplete permission validation for the
CPFR/CPTO commands.
For Debian 8 "Jessie", this problem has been fixed in version
1.3.5e+r1.3.5-2+deb8u3.
We recommend that you upgrade your proftpd-dfsg packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS