RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.
Bug 1489989 - File Permission set to 666 or 777(world writable files) on the yum cache files, these are reverted even after changing
Summary: File Permission set to 666 or 777(world writable files) on the yum cache file...
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: rhnsd
Version: 7.4
Hardware: x86_64
OS: Linux
Target Milestone: rc
: 7.5
Assignee: Tomáš Kašpárek
QA Contact: Red Hat Satellite QA List
Filip Hanzelka
Depends On:
Blocks: 1420851 1506910
TreeView+ depends on / blocked
Reported: 2017-09-09 00:12 UTC by Ganesh Payelkar
Modified: 2021-06-10 12:59 UTC (History)
7 users (show)

Fixed In Version: rhnsd-5.0.13-8-el7
Doc Type: Release Note
Doc Text:
"rhn_check" no longer modifies permissions on files in `/var/cache/yum/` Previously, when the *Red Hat Network Daemon* (rhnsd) executed the "rhn_check" command, the command modified permissions on the files in the `/var/cache/yum/` directory incorrectly, resulting in a vulnerability. This bug has been fixed and "rhn_check" no longer modifies permissions on the files in the `/var/cache/yum/` directory.
Clone Of:
: 1506910 (view as bug list)
Last Closed: 2018-04-10 12:17:18 UTC
Target Upstream Version:

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2018:0759 0 None None None 2018-04-10 12:18:11 UTC

Description Ganesh Payelkar 2017-09-09 00:12:10 UTC
Description of problem:

 - rhn_check command executed in rhnsd daemon changed the file permission in yum cache into 0666.
  - This happened when the cache was recreated. rhn_check can recreate it.
  - When a new file was created in rhnsd, the file was created with mode=0666. Because umask=0000. (comment #56 and #57)
  - rhnsd is running with umask=0000 in RHEL7. it's running with umask=0022 in RHEL6.
  - On umask=0000, the default permission of the new file should be 0666. So, this matches their problem.
  - umask is set in latest rhnsd itself in RHEL7. (C#57)  The code to set it doesn't exist in rhnsd of RHEL6.
  - This should be regression. (need to check)
      rhnsd-5.0.13-5.el7: umask(0) is NOT executed in main() of rhnsd.c.
      rhnsd-5.0.13-7.el7: umask(0) is executed in main() of rhnsd.c.

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

How reproducible:

Steps to Reproduce:

Actual results:

Expected results:

Additional info:

Comment 12 Tomáš Kašpárek 2017-09-19 07:39:42 UTC
spacewalk.git(master): d135f7e0d8da186f7d9d0dcdcbb0214fc625e9d9

Comment 24 Pavel Studeník 2017-12-08 16:46:24 UTC
Verified with rhnsd-5.0.13-10.el7.x86_64

>> ll /var/run/rhn_check.pid 
-rwxr-xr-x. 1 root root 5  8. pro 10.59 /var/run/rhn_check.pid
-rw-r--r--. 1 root root 4  8. pro 08.17 /var/run/rhnsd.pid

>> find /var/cache -name repomd.xml -ls 
707    8 -rw-r--r--   1 root     root         1545 Nov 21 01:37 /var/cache/yum/x86_64/7Server/rhn-tools-rhel-x86_64-server-7/repomd.xml
4862657    8 -rw-r--r--   1 root     root         1545 Dec  8 01:30 /var/cache/yum/x86_64/7Server/rhel-x86_64-server-7/repomd.xml

Comment 30 errata-xmlrpc 2018-04-10 12:17:18 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.


Note You need to log in before you can comment on or make changes to this bug.