[Bug 1794605] Re: Using mod_sftp and ssh_host_ecdsa_key segfaults (Signal 11)
neufeind
1794605 at bugs.launchpad.net
Wed Feb 26 16:56:01 GMT 2020
Could that possibly be due to changes in OpenSSL leading crashes? If so,
find a fix at: https://github.com/proftpd/proftpd/issues/674
** Bug watch added: github.com/proftpd/proftpd/issues #674
https://github.com/proftpd/proftpd/issues/674
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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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