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Message #131359
[Bug 1067301] Re: ssh-add: Error reading response length from authentication socket.
This is a security bug as it is now, as if one uses agent forwarding, it
is impossible to confirm the use of a certain key on a (possible
compromized) machine. Still present in 15.04 :(
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https://bugs.launchpad.net/bugs/1067301
Title:
ssh-add: Error reading response length from authentication socket.
Status in GNOME Keyring:
Confirmed
Status in gnome-keyring package in Ubuntu:
Confirmed
Status in gnome-keyring package in Debian:
New
Bug description:
ssh-add seems not to work with the confirmation (-c) option. Trying
to require that identities be subject to confirmation when used brings
up the error "Error reading response length from authentication
socket. "
$ ssh-add -c /home/user/.ssh/key_rsa
Enter passphrase for /home/user/.ssh/key_rsa:
Error reading response length from authentication socket.
Could not add identity: /home/user/.ssh/key_rsa
Addding keys not subject to confirmation when used works as normal:
$ ssh-add /home/user/.ssh/key_rsa
Enter passphrase for /home/user/.ssh/key_rsa:
Identity added: /home/user/.ssh/key_rsa (/home/user/.ssh/key_rsa)
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: openssh-client 1:6.0p1-3ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
Date: Tue Oct 16 13:55:08 2012
InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release amd64+mac (20121015)
ProcEnviron:
TERM=xterm
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_6.0p1 Debian-3ubuntu1, OpenSSL 1.0.1c 10 May 2012
SourcePackage: openssh
UpgradeStatus: No upgrade log present (probably fresh install)
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