possible issue with pam

KC Somaratne kc.somaratne at gmail.com
Fri Jan 7 07:07:12 PST 2005


On Tue, Dec 02, 2003 at 11:17:41PM -0500, Barry Hawkins wrote:
>> List,
>> 	Hello.  I have recently begun to encounter an issue with changing 
>> passwords on my 5.1 installation.  I haven't touched anything on it for 
>> a few months, and the last change-related activity I had were some 
>> portupgrade tasks to rid myself of the libintl.so.4 issue solved with 
>> "portupgrade -R gettext" back around September 2003.  I am wondering if 
>> anyone has experienced an issue similar to mine.
>> 	When I attempt to use passwd to change my password, I get the 
>> following upon successfully re-typing the password:
>> 
>> passwd: entry inconsistent
>> passwd: pam_chauthtok(): error in service module
>> 
>> 	If anyone has insight on this I would be grateful.  A search of the 
>> list for pam_chauthtok only revealed one person asking a similar 
>> question related to yppasswd.
>
> Compare your /etc/pam.d configuration against the sources in
> /usr/src/etc/pam.d to make sure you have not damaged your pam
> configuration by mis-merging changes.  Also make sure you have no
> /etc/pam.conf file, which was removed a long time ago.
> 
> Kris

Hi Kris,

I've had a similar issue with a FreeBSD 5.2.1-RELEASE box for an
account belonging to the 'wheel' group. I last changed the password
for this account successfully roughly two months ago and since then I
haven't changed anything at all.

Now when I try to change the password for this account using root it
prompts me with the below error message.

  root:/etc#passwd <user_name>
  Changing local password for <user_name>
  New Password:
  Retype New Password:
  passwd: entry inconsistent
  passwd: pam_chauthtok(): error in service module

I get the same error message when trying to change the password using
the same account as well.

I have carefully verified that I did indeed enter the same string for
the password verification. I have done the checks you have recommended
in the above mail.

The only differences are the /etc/pam.d has an additional file 'ftp'.
The /usr/src/etc/pam.d contain two additional files Makefile &
convert.pl.

Appreciate any suggestions on what might be causing this behaviour and
how I might be able to resolve the problem. Also, is this at all any
sign of my system being compromised?

Thanks in advance,
-kc,


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