[Bug 1794605] Re: Using mod_sftp and ssh_host_ecdsa_key segfaults (Signal 11)
Launchpad Bug Tracker
1794605 at bugs.launchpad.net
Sun Dec 30 12:06:00 GMT 2018
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: proftpd-dfsg (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1794605
Title:
Using mod_sftp and ssh_host_ecdsa_key segfaults (Signal 11)
Status in proftpd-dfsg package in Ubuntu:
Confirmed
Bug description:
Upgrading from 1.3.5d to 1.3.5e causes mod_sftp to crash when using
ECDSA host keys.
From a fresh install, add the following to the configuration
SFTPEngine on
Port 2222
SFTPHostKey /etc/ssh/ssh_host_ecdsa_key
Restart and try to login on port 2222 with sftp. The server will crash
during KEX_ECDH.
This used to work with 1.3.5d from 17.10 release.
A workaround for the moment is to only use a RSA key instead, i.e.
ssh_host_rsa_key.
From proftpd.log:
".... ProFTPD terminating (signal 11)"
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