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Bug 1729215 - cert-fix : detect and prevent pkidbuser being used as --agent-uid
Summary: cert-fix : detect and prevent pkidbuser being used as --agent-uid
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: pki-core
Version: 8.1
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: 8.3
Assignee: RHCS Maintainers
QA Contact: PKI QE
Florian Delehaye
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-07-11 15:29 UTC by Geetika Kapoor
Modified: 2021-02-01 14:14 UTC (History)
6 users (show)

Fixed In Version: pki-core-10.6-8010020190723222539.8ba0ffbe
Doc Type: Known Issue
Doc Text:
.Using the `cert-fix` utility with the `--agent-uid pkidbuser` option breaks Certificate System Using the `cert-fix` utility with the `--agent-uid pkidbuser` option corrupts the LDAP configuration of Certificate System. As a consequence, Certificate System might become unstable and manual steps are required to recover the system.
Clone Of:
Environment:
Last Closed: 2021-02-01 07:42:06 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Geetika Kapoor 2019-07-11 15:29:13 UTC 
Description of problem:

cert-fix cli if used with pkidbuser as it is part of 'Certificate Manager Agents' group.

If we run : # pki-server cert-fix --ldapi-socket /var/run/slapd-EXAMPLE-COM.socket --agent-uid pkidbuser  --extra-cert 6 --debug 5

here we have put pkidbuser in place of admin so the command fails with :

INFO: Starting the instance
Job for pki-tomcatd failed because a timeout was exceeded.
See "systemctl status pki-tomcatd" and "journalctl -xe" for details.
INFO: Selftests enabled for subsystems: ca
INFO: Restoring previous LDAP configuration
ERROR: Command: systemctl start pki-tomcatd

Later if we run the right command, System goes in a state that it is not recovered. 

# pki-server cert-fix --ldapi-socket /var/run/slapd-EXAMPLE-COM.socket --agent-uid admin  --extra-cert 6


INFO: Starting the instance
Job for pki-tomcatd failed because a timeout was exceeded.
See "systemctl status pki-tomcatd" and "journalctl -xe" for details.
INFO: Selftests enabled for subsystems: ca
INFO: Restoring previous LDAP configuration
ERROR: Command: systemctl start pki-tomcatd


Version-Release number of selected component (if applicable):

RHEL 8.1

How reproducible:

always 

Steps to Reproduce:
1. pki-server cert-fix --ldapi-socket /var/run/slapd-EXAMPLE-COM.socket --agent-uid pkidbuser  --extra-cert 6 --debug 5

Actual results:

System is in a state where password.conf and CS.cfg gets corrupted.
Manual steps needs to be done to recover system as mentioned here :https://bugzilla.redhat.com/show_bug.cgi?id=1696849#c10

Expected results:

In case of failures, system should go back to original state 

Additional info:
Comment 1 Dinesh Prasanth 2019-07-11 20:14:43 UTC 
Fixed via PR: https://github.com/dogtagpki/pki/pull/229

verification procedure: As mentioned by OP

Acceptance criteria:
# pki-server cert-fix --agent-uid pkidbuser -i pkitest
ERROR: 'pkidbuser' cannot be used.
Comment 3 Geetika Kapoor 2019-07-30 13:10:55 UTC 
This currently works based on checking for a particular username which is pkidbuser.
if while configuring we change the default value of pkidbuser which we can set using : pki_share_dbuser_dn=uid=pkidbuser,ou=people,o=%(pki_instance_name)s-CA

AS a user if i have configured with pkidbuser1. this fix will no longer works.

IMO in place of just looking for a particular user in code it's better to check based on group permissions for that user.
Comment 4 Dinesh Prasanth 2019-07-30 14:32:49 UTC 
@Geetika,

The current solution will reduce the chances of messing up the PKI/IPA environment. 

Your suggestion may require more analysis before implementation. Since we have it documented, that `pkidbuser` should not be used, I am leaning towards moving the efforts to 8.2 or 8.3.
Comment 6 Dinesh Prasanth 2019-08-08 14:25:50 UTC 
@Marc,

Thanks for looking into this. I have some minor corrections as below:

.Using the `cert-fix` utility with the `--agent-uid pkidbuser` option breaks Certificate System

Using the `cert-fix` utility with the `--agent-uid pkidbuser` option corrupts the LDAP configuration. As a consequence, Certificate System might be rendered unstable and manual steps will be required to recover the system.
Comment 7 Geetika Kapoor 2019-08-13 15:30:58 UTC 
We have documented this bug as an exception. should we keep it for fixing it in future or close this and raise a new bug.
We can't have assigned bug in Errata i think. Please suggest?
Comment 10 Matthew Harmsen 2020-04-14 23:07:00 UTC 
Not RPL, not CVE, no customer case information, not regression (e.g. - fixed in an earlier release of the product); moving to RHEL Backlog.
Comment 22 RHEL Program Management 2021-02-01 07:42:06 UTC 
After evaluating this issue, there are no plans to address it further or fix it in an upcoming release.  Therefore, it is being closed.  If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened.
Comment 23 Alex Scheel 2021-02-01 14:14:46 UTC 
A separate RFE should be filed for preventing other names for pkidbuser from being used here, if this is still an issue.
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