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Security warning from pam_securetty

Is the bug #243698 in libpam0g really resolved in version 0.76-20? I
still get the security warnings in my logfiles. What is referred to in
the changelog.Debian for the null password check: passwd, shadow etc?
How are these related to the /etc/pam.d/* files. Eg. the
/etc/pam.d/common-password has the following entry enabled:
password   required   pam_unix.so nullok obscure min=4 max=8 md5

An alternate solution is in the same file. Is this solution to prefer? 
# password required       pam_cracklib.so retry=3 minlen=6 difok=3
# password required       pam_unix.so use_authtok nullok md5
If possible, please explain or if possible give a HOWTO- or an
FAQ-pointer that describes the current pam behaviour. 

changelog.Debian entry below:
pam (0.76-20) unstable; urgency=medium
* Update to patch 55 to only check securetty when we are sure the
password is null, Closes: #243698
* Medium urgency because the version now in testing has confusing and
verbose log messages.
* Include pam_getenv script which hopefully will be used by some
people somewhere for some purpose

-- Sam Hartman <hartmans@debian.org>  Wed, 28 Apr 2004 22:51:18 -0400
Please Cc: me since I'm not subscribed to debian-user

On Tue, 2004-04-20 at 15:27, Colin Watson wrote:
> On Mon, Apr 19, 2004 at 08:57:13PM +0200, Svante Signell wrote:
>> I find these messages in my logfiles. What has changed recently?
>> The access to the tty devices is crw-rw---- and owned by root.tty.
>> sshd[4196]: (pam_securetty) access denied: tty 'ssh' is not secure !
>> xscreensaver: (pam_securetty) access denied: tty ':0.0' is not secure
> This is a filed bug against pam.

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