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Bug 1800571 - Multiples Kerberos ticket on RHEL 7.7 after lock and unlock screen
Summary: Multiples Kerberos ticket on RHEL 7.7 after lock and unlock screen
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sssd
Version: 7.7
Hardware: All
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Sumit Bose
QA Contact: sssd-qe
URL:
Whiteboard: sync-to-jira2
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-02-07 12:56 UTC by cilmar@redhat.com
Modified: 2023-09-07 21:49 UTC (History)
12 users (show)

Fixed In Version: sssd-1.16.5-6.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-09-29 19:50:00 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github SSSD sssd issues 5160 0 None closed Multiples Kerberos ticket on RHEL 7.7 after lock and unlock screen 2020-09-29 19:58:04 UTC
Red Hat Issue Tracker SSSD-2412 0 None None None 2023-09-07 21:49:44 UTC
Red Hat Issue Tracker SSSD-2414 0 None None None 2023-09-07 21:49:41 UTC
Red Hat Product Errata RHBA-2020:3904 0 None None None 2020-09-29 19:50:24 UTC

Comment 4 Sumit Bose 2020-05-15 08:39:35 UTC 
Upstream ticket:
https://github.com/SSSD/sssd/issues/5160
Comment 5 Pavel Březina 2020-05-19 09:08:13 UTC 
* `master`
    * 11435b1060675339263ce0a2a546cc44ab9bd576 - krb5: do not cache ccache or password during preauth
* `sssd-1-16`
    * 895aa34af41cc76aaac78c3cb74c68eeeb31a1d9 - krb5: do not cache ccache or password during preauth
Comment 9 Amith 2020-06-18 09:52:45 UTC 
Verified the bug on SSSD Version: sssd-1.16.5-10.el7.x86_64

Steps followed during verification:
-----------------------------------------------------

1. Fresh installation of latest 7.9 OS Server with GUI.

# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.9 Beta (Maipo)

# rpm -q sssd
sssd-1.16.5-10.el7.x86_64

2. Configure SSSD in system with ldap-krb provider. See the sample config file:

[sssd]
config_file_version = 2
domains = LDAP
services = nss, pam

[nss]
filter_groups = root
filter_users = root

[pam]

[domain/LDAP]
id_provider = ldap
debug_level = 0xFFF0
ldap_uri = ldap://hubcap.lab.eng.pnq.redhat.com
ldap_search_base = dc=example,dc=com

auth_provider = krb5
krb5_server = hubcap.lab.eng.pnq.redhat.com
krb5_realm = EXAMPLE.COM

3. Ensure krb5.conf file is set with defualt ccahe type ie, FILE:

4. Run getent and fetch the testuser to verify a working configuration.

# getent passwd -s sss testuser
testuser:*:21201:21201:testuser:/home/testuser:/bin/bash

5. Login to server via GUI.

6. Check the availability of credential file in /tmp directory.

# ls -l /tmp/krb*
-rw-------. 1 testuser 21201 542 Jun 18 15:10 /tmp/krb5cc_21201_keUqpr

7. Now, lock the user screen and wait for few minutes.

8. Login again and check the presence of multiple credential file in /tmp directory.

# ls -l /tmp/krb*
-rw-------. 1 testuser 21201 542 Jun 18 15:13 /tmp/krb5cc_21201_keUqpr

OBSERVATION : I DONT FIND ADDITIONAL CACHE FILES FOR testuser in /tmp DIR. Hence bug looks fixed.
Comment 11 errata-xmlrpc 2020-09-29 19:50:00 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 (sssd bug fix and enhancement update), 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-2020:3904
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