nss-ldapd before 0.6.8 uses world-readable permissions for the /etc/nss-ldapd.conf file, which allows local users to obtain a cleartext password for the LDAP server by reading the bindpw field.
http://www.openwall.com/lists/oss-security/2009/03/25/4
http://www.openwall.com/lists/oss-security/2009/03/25/3
http://www.openwall.com/lists/oss-security/2009/03/24/2
http://www.openwall.com/lists/oss-security/2009/03/23/3
http://www.debian.org/security/2009/dsa-1758