Cannot scp between two remote hosts

Bug #1462758 reported by Lars Noodén
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
openssh (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

According to the manual page, scp should be able to copy between two remote hosts:

scp user@host1:file1 user@host2:.

However, it fails after asking for the password for the first host, even though the same file can be copied in two steps:

$ scp xx.yy.zz.aa:*.csv xx.yy.zz.bb:.
<email address hidden>'s password:
Permission denied, please try again.
Permission denied, please try again.
Permission denied (publickey,password,keyboard-interactive).
lost connection

$ scp xx.yy.zz.aa:*.csv .
<email address hidden>'s password:
configuration_log.csv 100% 935 0.9KB/s 00:00

$ scp *.csv xx.yy.zz.bb:.
<email address hidden>'s password:
configuration_log.csv 100% 935 0.9KB/s 00:00

$ scp -v xx.yy.zz.aa:*.csv xx.yy.zz.bb:.
Executing: /usr/bin/ssh '-x' '-oClearAllForwardings=yes' '-n' '-v' '--' 'xx.yy.zz.aa' 'scp -v' '*.csv' 'xx.yy.zz.bb:.'
OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
debug1: Reading configuration data /home/foo/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug1: Connecting to xx.yy.zz.aa [xx.yy.zz.aa] port 22.
debug1: Connection established.
debug1: identity file /home/foo/.ssh/id_rsa type -1
debug1: identity file /home/foo/.ssh/id_rsa-cert type -1
debug1: identity file /home/foo/.ssh/id_dsa type -1
debug1: identity file /home/foo/.ssh/id_dsa-cert type -1
debug1: identity file /home/foo/.ssh/id_ecdsa type -1
debug1: identity file /home/foo/.ssh/id_ecdsa-cert type -1
debug1: identity file /home/foo/.ssh/id_ed25519 type -1
debug1: identity file /home/foo/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.8
debug1: match: OpenSSH_6.8 pat OpenSSH* compat 0x04000000
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr <email address hidden> none
debug1: kex: client->server aes128-ctr <email address hidden> none
debug1: sending SSH2_MSG_KEX_ECDH_INIT
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ECDSA 29:ad:e4:06:40:3a:bb:a2:d7:2c:b3:04:3c:ba:dc:9d
debug1: Host 'xx.yy.zz.aa' is known and matches the ECDSA host key.
debug1: Found key in /home/foo/.ssh/known_hosts:25
debug1: ssh_ecdsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/foo/.ssh/id_rsa
debug1: Trying private key: /home/foo/.ssh/id_dsa
debug1: Trying private key: /home/foo/.ssh/id_ecdsa
debug1: Trying private key: /home/foo/.ssh/id_ed25519
debug1: Next authentication method: keyboard-interactive
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: password
<email address hidden>'s password:
debug1: Authentication succeeded (password).
Authenticated to xx.yy.zz.aa ([xx.yy.zz.aa]:22).
debug1: channel 0: new [client-session]
debug1: Requesting <email address hidden>
debug1: Entering interactive session.
debug1: client_input_global_request: rtype <email address hidden> want_reply 0
debug1: Sending environment.
debug1: Sending env LANG = en_US.UTF-8
debug1: Sending command: scp -v *.csv xx.yy.zz.bb:.
Executing: program /usr/bin/ssh host xx.yy.zz.bb, user (unspecified), command scp -v -t .
OpenSSH_6.8, LibreSSL 2.1
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to xx.yy.zz.bb [xx.yy.zz.bb] port 22.
debug1: Connection established.
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_rsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/foo/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.8
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.8
debug1: match: OpenSSH_6.8 pat OpenSSH* compat 0x04000000
debug1: Authenticating to xx.yy.zz.bb:22 as 'foo'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client <email address hidden> <implicit> none
debug1: kex: client->server <email address hidden> <implicit> none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:Wq9PzoIYmmNzTstv3qF4LWXg9LY6gIOoUMmIDFLG52k
debug1: Host 'xx.yy.zz.bb' is known and matches the ECDSA host key.
debug1: Found key in /home/foo/.ssh/known_hosts:7
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/foo/.ssh/id_rsa
debug1: Trying private key: /home/foo/.ssh/id_dsa
debug1: Trying private key: /home/foo/.ssh/id_ecdsa
debug1: Trying private key: /home/foo/.ssh/id_ed25519
debug1: Next authentication method: keyboard-interactive
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: password
debug1: read_passphrase: can't open /dev/tty: Device not configured
debug1: Authentications that can continue: publickey,password,keyboard-interactive
Permission denied, please try again.
debug1: read_passphrase: can't open /dev/tty: Device not configured
debug1: Authentications that can continue: publickey,password,keyboard-interactive
Permission denied, please try again.
debug1: read_passphrase: can't open /dev/tty: Device not configured
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: No more authentication methods to try.
Permission denied (publickey,password,keyboard-interactive).
lost connection
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: channel 0: free: client-session, nchannels 1
Transferred: sent 2620, received 7112 bytes, in 0.5 seconds
Bytes per second: sent 4874.4, received 13231.6
debug1: Exit status 1

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: openssh-client 1:6.6p1-2ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
Uname: Linux 3.16.0-38-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Jun 7 17:30:19 2015
InstallationDate: Installed on 2015-03-27 (71 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
RelatedPackageVersions:
 ssh-askpass N/A
 libpam-ssh N/A
 keychain N/A
 ssh-askpass-gnome 1:6.6p1-2ubuntu2
SSHClientVersion: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2, OpenSSL 1.0.1f 6 Jan 2014
SourcePackage: openssh
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Lars Noodén (larsnooden) wrote :
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package openssh - 1:8.7p1-2

---------------
openssh (1:8.7p1-2) unstable; urgency=medium

  * Backport from upstream:
    - Avoid NULL deref in -Y find-principals (closes: #999593).

 -- Colin Watson <email address hidden> Sat, 13 Nov 2021 13:40:50 +0000

Changed in openssh (Ubuntu):
status: New → Fix Released
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