** Changed in: openssh (Ubuntu)
Assignee: (unassigned) => Karl Stenerud (kstenerud)
** Changed in: openssh (Ubuntu Cosmic)
Assignee: (unassigned) => Karl Stenerud (kstenerud)
** Changed in: openssh (Ubuntu Cosmic)
Status: New => In Progress
** Description changed:
+ [Impact]
+
+ A regression in OpenSSH 7.7 breaks tunnelling via the -w switch in the
+ ssh command.
+
+ [Test Case]
+
+ # lxc launch ubuntu:cosmic tester && lxc exec tester bash
+
+ # apt update && \
+ apt dist-upgrade -y && \
+ sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g'
/etc/ssh/sshd_config && \
+ service sshd restart && \
+ echo ubuntu:ubuntu | chpasswd
+
+ # ssh -w any ubuntu@localhost
+ ubuntu@localhost's password:
+ Tunnel device open failed.
+ Could not request tunnel forwarding.
+
+ [Regression Potential]
+
+ This is already fixed and tested upstream, and thus has little
+ regression potential.
+
+ [Original Description]
+
Just upgraded to cosmic, which picks up OpenSSH 7.7.
OpenSSH 7.7 has known bug
https://bugzilla.mindrot.org/show_bug.cgi?id=2855 which is fixed in
- OpenSSH 7.8. It's a regression that completely breaks -w tunneling.
+ OpenSSH 7.8. It's a regression that completely breaks -w tunneling.
- The OpenSSH bug contains a trivial two-line patch to fix the bug. I
+ The OpenSSH bug contains a trivial two-line patch to fix the bug. I
downloaded the Ubuntu openssh package source, applied the patch and
rebuilt, and can confirm that is does fix the problem.
Any chance we could get this patch backported to Cosmic?
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: openssh-client 1:7.7p1-4
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
- Date: Thu Nov 1 09:36:16 2018
+ Date: Thu Nov 1 09:36:16 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
RelatedPackageVersions:
- ssh-askpass N/A
- libpam-ssh N/A
- keychain N/A
+ ssh-askpass N/A
+ libpam-ssh N/A
+ keychain N/A
ssh-askpass-gnome N/A
- SSHClientVersion: OpenSSH_7.7p1 Ubuntu-4, OpenSSL 1.0.2n 7 Dec 2017
+ SSHClientVersion: OpenSSH_7.7p1 Ubuntu-4, OpenSSL 1.0.2n 7 Dec 2017
SourcePackage: openssh
UpgradeStatus: Upgraded to cosmic on 2018-11-01 (0 days ago)
--
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Touch seeded packages, which is subscribed to openssh in Ubuntu.
https://bugs.launchpad.net/bugs/1801128
Title:
OpenSSH 7.7 -w tunnel bug
Status in openssh package in Ubuntu:
New
Status in openssh source package in Cosmic:
In Progress
Bug description:
[Impact]
A regression in OpenSSH 7.7 breaks tunnelling via the -w switch in the
ssh command.
[Test Case]
# lxc launch ubuntu:cosmic tester && lxc exec tester bash
# apt update && \
apt dist-upgrade -y && \
sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g'
/etc/ssh/sshd_config && \
service sshd restart && \
echo ubuntu:ubuntu | chpasswd
# ssh -w any ubuntu@localhost
ubuntu@localhost's password:
Tunnel device open failed.
Could not request tunnel forwarding.
[Regression Potential]
This is already fixed and tested upstream, and thus has little
regression potential.
[Original Description]
Just upgraded to cosmic, which picks up OpenSSH 7.7.
OpenSSH 7.7 has known bug
https://bugzilla.mindrot.org/show_bug.cgi?id=2855 which is fixed in
OpenSSH 7.8. It's a regression that completely breaks -w tunneling.
The OpenSSH bug contains a trivial two-line patch to fix the bug. I
downloaded the Ubuntu openssh package source, applied the patch and
rebuilt, and can confirm that is does fix the problem.
Any chance we could get this patch backported to Cosmic?
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: openssh-client 1:7.7p1-4
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
Date: Thu Nov 1 09:36:16 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
RelatedPackageVersions:
ssh-askpass N/A
libpam-ssh N/A
keychain N/A
ssh-askpass-gnome N/A
SSHClientVersion: OpenSSH_7.7p1 Ubuntu-4, OpenSSL 1.0.2n 7 Dec 2017
SourcePackage: openssh
UpgradeStatus: Upgraded to cosmic on 2018-11-01 (0 days ago)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1801128/+subscriptions
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