[Pkg-shadow-devel] Bug#721954: passwd: displays password when called via ssh directly

Vagrant Cascadian vagrant at debian.org
Thu Sep 5 23:38:46 UTC 2013


Package: passwd
Version: 1:4.1.5.1-1
Severity: normal

When trying to change a passphrase over an ssh connection, normally the
passphrase isn't displayed:

  vagrant at local:~$ ssh server
  vagrant at server:~$ passwd
  Changing password for vagrant.
  (current) UNIX password:

When called via ssh directly, it echoes the passphrase:

  vagrant at local:~$ ssh server passwd
  (current) UNIX password: dlkgfjsdgfkjsd

I'm not sure if this is expected and correct behavior, but it seems prone to
shoulder-surfing and whatnot.


live well,
  vagrant

-- System Information:
Debian Release: 7.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'oldstable-updates'), (500, 'stable'), (500, 'oldstable'), (120, 'unstable'), (110, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-4-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages passwd depends on:
ii  debianutils     4.3.2
ii  libc6           2.13-38
ii  libpam-modules  1.1.3-7.1
ii  libpam0g        1.1.3-7.1
ii  libselinux1     2.1.9-5
ii  libsemanage1    2.1.6-6

passwd recommends no packages.

passwd suggests no packages.

-- no debconf information



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