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Bug 1846081 - both rhsm and rhsm-facts services run as unconfined_service_t
Summary: both rhsm and rhsm-facts services run as unconfined_service_t
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: selinux-policy
Version: 8.3
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: 8.5
Assignee: Patrik Koncity
QA Contact: Milos Malik
URL:
Whiteboard:
Depends On:
Blocks: 1726199
TreeView+ depends on / blocked
 
Reported: 2020-06-10 17:33 UTC by Milos Malik
Modified: 2021-11-10 08:28 UTC (History)
7 users (show)

Fixed In Version: selinux-policy-3.14.3-76.el8
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-11-09 19:42:28 UTC
Type: Bug
Target Upstream Version:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2021:4420 0 None None None 2021-11-09 19:42:56 UTC

Description Milos Malik 2020-06-10 17:33:42 UTC 
Description of problem:
 * both services belong to the subscription-manager component, which is shipped in RHEL, but they are not confined by SELinux policy

# matchpathcon /usr/libexec/rhsm-service
/usr/libexec/rhsm-service	system_u:object_r:bin_t:s0
# matchpathcon /usr/libexec/rhsm-facts-service 
/usr/libexec/rhsm-facts-service	system_u:object_r:bin_t:s0
#

Version-Release number of selected component (if applicable):
selinux-policy-3.14.3-41.el8.noarch
selinux-policy-targeted-3.14.3-41.el8.noarch
subscription-manager-1.26.16-1.el8.x86_64
subscription-manager-rhsm-certificates-1.26.16-1.el8.x86_64

How reproducible:
 * always

Steps to Reproduce:
1. get a RHEL-8.2 machine (targeted policy is active)
# service rhsm start
Redirecting to /bin/systemctl start rhsm.service
# service rhsm-facts start
Redirecting to /bin/systemctl start rhsm-facts.service
# ps -efZ | grep rhsm[-]
system_u:system_r:unconfined_service_t:s0 root 5048    1  0 13:21 ?        00:00:00 /usr/libexec/platform-python /usr/libexec/rhsm-service
system_u:system_r:unconfined_service_t:s0 root 5064    1  0 13:21 ?        00:00:00 /usr/libexec/platform-python /usr/libexec/rhsm-facts-service
#

Expected results:
 * the services are confined (either rhsmcertd_t or another SELinux domain)
Comment 1 Milos Malik 2020-06-10 17:49:57 UTC 
Are these services functionally different from the rhsmcertd service?

I assume that we can use the rhsmcertd policy for them:

# chcon -t rhsmcertd_exec_t /usr/libexec/rhsm-service
# chcon -t rhsmcertd_exec_t /usr/libexec/rhsm-facts-service

They do not trigger any SELinux denials and they seem to run without problems:

# ps -efZ | grep rhsm[-]
system_u:system_r:rhsmcertd_t:s0 root       5170       1  0 13:42 ?        00:00:00 /usr/libexec/platform-python /usr/libexec/rhsm-service
system_u:system_r:rhsmcertd_t:s0 root       5212       1  0 13:42 ?        00:00:00 /usr/libexec/platform-python /usr/libexec/rhsm-facts-service
#
Comment 4 Patrik Koncity 2021-07-05 12:54:57 UTC 
PR: https://github.com/fedora-selinux/selinux-policy/pull/798
Comment 5 Zdenek Pytela 2021-07-30 16:51:16 UTC 
To backport:
commit 322b1d412ae6762333a9b4e22fedc09e50351e3b (HEAD -> rawhide, upstream/rawhide)
Author: Patrik Koncity <pkoncity>
Date:   Thu May 27 09:56:37 2021 +0200

    Confine rhsm service and rhsm-facts service as rhsmcertd_t

    Rhsm service and rhsm-fact service run as unconfined_t. Use existing
    rhsmcertd_t policy to confine rhsm service and rhsm-facts service as
    rhsmcertd_t. Label binary files, which execute systemd daemon.

    Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1846081
Comment 14 errata-xmlrpc 2021-11-09 19:42:28 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 (selinux-policy 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-2021:4420
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