[Bug 1414303] [NEW] sudo show predefine PAM prompt with some PAM Modules, no default sudo prompt

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Joel Peláez Jorge (joelpelaez):

I use libpam-krb5 for authentication, when I use sudo it show this
prompt

Password:

Not the default of sudo

[sudo] password for (user):

But if it's set LANG=C (no locale) with module libpam-krb5 show the
default prompt of sudo.

With the module pam_unix (default of system) work without problems.

Then the problem is in locale support of one of these packages. At check
the source code of two I reached the conclusion.

1. libpam-krb5 not support translations.

2. sudo replaces the PAM prompt if this is "Password:" or translate of
this. But sudo only check "Password:" translated on current language
config (example "Contraseña:" on "es" locale).

This bug not cause "real" problem but it may reveal the authentication
system in use.

This report has attached a (possible) patch of sudo for fix the bug.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: sudo 1.8.9p5-1ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
Uname: Linux 3.16.0-29-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.7-0ubuntu8.1
Architecture: amd64
Date: Sat Jan 24 07:50:23 2015
InstallationDate: Installed on 2015-01-12 (12 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: sudo
UpgradeStatus: No upgrade log present (probably fresh install)
VisudoCheck:
 /etc/sudoers análisis OK
 /etc/sudoers.d/README análisis OK

** Affects: sudo (Ubuntu)
     Importance: Medium
         Status: New


** Tags: amd64 apport-bug patch utopic
-- 
sudo show predefine PAM prompt with some PAM Modules, no default sudo prompt 
https://bugs.launchpad.net/bugs/1414303
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