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Bug 1450125 - Wrong pam return code for user from subdomain with ad_access_filter
Summary: Wrong pam return code for user from subdomain with ad_access_filter
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sssd
Version: 7.3
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: rc
: ---
Assignee: SSSD Maintainers
QA Contact: shridhar
URL:
Whiteboard:
Depends On: 1434992
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-05-11 15:19 UTC by Jaroslav Reznik
Modified: 2020-05-04 11:01 UTC (History)
9 users (show)

Fixed In Version: sssd-1.14.0-43.el7_3.17
Doc Type: If docs needed, set a value
Doc Text:
On SSSD clients joined to an Active Directory (AD) domain whose configuration includes the ad_access_filter option in the /etc/sssd/sssd.conf file, authentication sometimes failed with with an error such as this: 10 (User not known to the underlying authentication module) The problem occurred in environments that use nested groups. This update fixes this bug.
Clone Of: 1434992
Environment:
Last Closed: 2017-06-28 17:00:01 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github SSSD sssd issues 4362 0 None None None 2020-05-04 11:01:54 UTC
Red Hat Product Errata RHBA-2017:1605 0 normal SHIPPED_LIVE sssd bug fix update 2017-06-28 20:56:25 UTC

Description Jaroslav Reznik 2017-05-11 15:19:36 UTC 
This bug has been copied from bug #1434992 and has been proposed
to be backported to 7.3 z-stream (EUS).
Comment 5 shridhar 2017-06-13 13:51:05 UTC 
verified with 
 ~]# rpm -q sssd
sssd-1.14.0-43.el7_3.18.x86_64

[root@hp-dl180g6-01 ~]# cat /etc/sssd/sssd.conf

[sssd]
config_file_version = 2
services = nss, pam
domains = sssdad.com

[domain/sssdad.com]
debug_level = 0x0180
id_provider = ad
use_fully_qualified_names = True
krb5_auth_timeout = 15

access_provider=ad
ad_access_filter=(cn=user1_dom1-1902875)



[root@hp-dl180g6-01 ~]# service sssd stop; rm -rf /var/lib/sss/db/* ; service sssd start
Redirecting to /bin/systemctl stop  sssd.service
Redirecting to /bin/systemctl start  sssd.service
[root@hp-dl180g6-01 ~]# id user1_dom1-1902875
uid=406926074(user1_dom1-1902875) gid=1239000513(domain users) groups=1239000513(domain users),406926075(group1_dom1-1902875)
[root@hp-dl180g6-01 ~]# id user1_dom3-1902875.com
uid=369612070(user1_dom3-1902875.com) gid=369612070(user1_dom3-1902875.com) groups=369612070(user1_dom3-1902875.com),369612073(group1_dom3-1902875.com),369600513(domain users.com)
[root@hp-dl180g6-01 ~]# id user1_dom2-1902875
uid=494810470(user1_dom2-1902875) gid=494810470(user1_dom2-1902875) groups=494810470(user1_dom2-1902875),494810471(group1_dom2-1902875),494800513(domain users),494810472(group2_dom2-1902875)
[root@hp-dl180g6-01 ~]# ssh -l  user1_dom2-1902875 localhost
user1_dom2-1902875@sssdad_tree@localhost's password: 
Connection closed by ::1
[root@hp-dl180g6-01 ~]# ssh -l user1_dom3-1902875.com localhost
user1_dom3-1902875@localhost's password: 
Connection closed by ::1
[root@hp-dl180g6-01 ~]# ssh -l user1_dom1-1902875 localhost 
user1_dom1-1902875@localhost's password: 
Last login: Tue Jun 13 09:36:00 2017

-sh-4.2$ logout
Connection to localhost closed.


in /var/log/secure

Jun 13 09:46:44 hp-dl180g6-01 sshd[1397]: pam_sss(sshd:account): Access denied for user user1_dom2-1902875: 6 (Permission denied)
Jun 13 09:46:44 hp-dl180g6-01 sshd[1397]: Failed password for user1_dom2-1902875 from ::1 port 41556 ssh2
Jun 13 09:46:44 hp-dl180g6-01 sshd[1397]: fatal: Access denied for user user1_dom2-1902875 by PAM account configuration [preauth]
Jun 13 09:47:06 hp-dl180g6-01 sshd[1598]: pam_sss(sshd:auth): authentication success; logname= uid=0 euid=0 tty=ssh ruser= rhost=localhost user=user1_dom3-1902875.com
Jun 13 09:47:06 hp-dl180g6-01 sshd[1598]: pam_sss(sshd:account): Access denied for user user1_dom3-1902875.com: 6 (Permission denied)
Jun 13 09:47:06 hp-dl180g6-01 sshd[1598]: Failed password for user1_dom3-1902875.com from ::1 port 41564 ssh2
Jun 13 09:47:06 hp-dl180g6-01 sshd[1598]: fatal: Access denied for user user1_dom3-1902875.com by PAM account configuration [preauth]
Jun 13 09:47:26 hp-dl180g6-01 sshd[1749]: pam_sss(sshd:auth): authentication success; logname= uid=0 euid=0 tty=ssh ruser= rhost=localhost user=user1_dom1-1902875
Jun 13 09:47:26 hp-dl180g6-01 sshd[1749]: Accepted password for user1_dom1-1902875 from ::1 port 41572 ssh2
Jun 13 09:47:26 hp-dl180g6-01 sshd[1749]: pam_unix(sshd:session): session opened for user user1_dom1-1902875 by (uid=0)
Jun 13 09:47:27 hp-dl180g6-01 sshd[1801]: Received disconnect from ::1: 11: disconnected by user
Jun 13 09:47:27 hp-dl180g6-01 sshd[1749]: pam_unix(sshd:session): session closed for user user1_dom1-1902875
Comment 7 errata-xmlrpc 2017-06-28 17:00:01 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:1605
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