cvs: fails to perform authentification, due to PAM breakage

[Samium Gromoff]

Package: cvs
Version: 1:1.12.13-3
Severity: grave
Justification: renders package unusable

The problem can be easily described by the following shell log:

deepfire at betelheise:~/exports/asdf$ export CVSROOT=:pserver:anonymous at common-lisp.net:/project/slime/cvsroot
deepfire at betelheise:~/exports/asdf$ cvs co slime
PAM start error: Critical error - immediate abort
Fatal error, aborting.
cvs [checkout aborted]: unrecognized auth response from common-lisp.net:
pam failed to release authenticator

-- System Information:
Debian Release: testing/unstable
  APT prefers edgy
  APT policy: (500, 'edgy')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.14.2-betelheise
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages cvs depends on:
ii  debconf [debconf-2.0]  1.5.2ubuntu2      Debian configuration management sy
ii  libc6                  2.4-1ubuntu10     GNU C Library: Shared libraries
ii  libpam-runtime         0.79-3.1ubuntu1   Runtime support for the PAM librar
ii  libpam0g               0.79-3.1ubuntu1   Pluggable Authentication Modules l
ii  zlib1g                 1:1.2.3-13ubuntu1 compression library - runtime

Versions of packages cvs recommends:
ii  emacs-multi-tty [info- 0.2004.580-1      The GNU Emacs editor
ii  emacs21 [info-browser] 21.4a-6ubuntu2    The GNU Emacs editor
ii  info [info-browser]    4.8.dfsg.1-1      Standalone GNU Info documentation 
ii  konqueror [info-browse 4:3.5.4-0ubuntu28 KDE's advanced file manager, web b
ii  netbase                4.25ubuntu2       Basic TCP/IP networking system

-- debconf information:
  cvs/rotatekeep: 7
  cvs/badrepositories: create
  cvs/rotatekeep_nondefault: no
  cvs/rotate_individual: true
  cvs/pserver_repos_individual: true
  cvs/pserver_setspawnlimit: false
  cvs/rotatekeep_individual: 7
  cvs/pserver_repos: all
  cvs/pserver: false
  cvs/cvs_conf_is_dead:
  cvs/repositories: /var/lib/cvs
  cvs/pserver_spawnlimit: 400
  cvs/rotatehistory: no