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Bug 1395300

Summary: NSS DB group permissions not fully respected
Product: Red Hat Enterprise Linux 7 Reporter: Robert Bost <rbost>
Component: mod_nssAssignee: Rob Crittenden <rcritten>
Status: CLOSED ERRATA QA Contact: Kaleem <ksiddiqu>
Severity: high Docs Contact:
Priority: unspecified    
Version: 7.3CC: adam.winberg, mharmsen, nkinder, pbajenez, rcritten
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: mod_nss-1.0.14-8.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-08-01 16:53:57 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Robert Bost 2016-11-15 16:12:53 UTC 
Description of problem: Group ownership not fully respected when checking read permissions on startup.

I chowned NSS DB files to group mytest. Added apache user to mytest group and not receive error on httpd startup.

error_log:
[Tue Nov 15 11:02:00.131289 2016] [:error] [pid 1673] Server user apache lacks read access to NSS key database /etc/httpd/alias/key3.db.

# ls -l /etc/httpd/alias/
total 88
-rw-r-----. 1 root mytest 65536 Oct 26 17:26 cert8.db
-rw-------. 1 root root    5872 Oct 26 17:26 install.log
-rw-r-----. 1 root mytest 16384 Oct 26 17:26 key3.db
lrwxrwxrwx. 1 root root      24 Nov 15 10:58 libnssckbi.so -> /usr/lib64/libnssckbi.so
-rw-r-----. 1 root mytest 16384 Oct 26 17:26 secmod.db

# groups apache
apache : apache mytest


Version-Release number of selected component (if applicable): mod_nss-1.0.14-7.el7.x86_64


How reproducible: Always.


Steps to Reproduce:
1. yum install httpd mod_nss
2. usermod -a -G mytest apache
3. chown :mytest /etc/httpd/alias/*.db
4. systemctl start httpd
5. tail /var/log/httpd/error_log

Actual results: httpd does not start.

Expected results: httpd starts as long as permissions are actually valid.


Additional info:
Comment 6 Kaleem 2017-05-16 09:06:00 UTC 
Verified.

Pkg version:
============
[root@dhcp207-220 ~]# rpm -q mod_nss httpd
mod_nss-1.0.14-10.el7.x86_64
httpd-2.4.6-67.el7.x86_64
[root@dhcp207-220 ~]#

Console output:
===============

[root@dhcp207-220 ~]# id apache
uid=48(apache) gid=48(apache) groups=48(apache),386(ipaapi),1000(mytest)
[root@dhcp207-220 ~]# chown :mytest /etc/httpd/alias/*.db
[root@dhcp207-220 ~]# ls -la /etc/httpd/alias/
total 96
drwxr-xr-x. 2 root root      94 May 16 14:28 .
drwxr-xr-x. 6 root root     105 May 16 14:28 ..
-rw-r-----. 1 root mytest 65536 May 16 14:28 cert8.db
-rw-------. 1 root root    5274 May 16 14:28 install.log
-rw-r-----. 1 root mytest 24576 May 16 14:28 key3.db
lrwxrwxrwx. 1 root root      24 May 16 14:28 libnssckbi.so -> /usr/lib64/libnssckbi.so
-rw-r-----. 1 root mytest 16384 May 16 14:28 secmod.db
[root@dhcp207-220 ~]# systemctl start httpd
[root@dhcp207-220 ~]# systemctl status httpd
● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor preset: disabled)
   Active: active (running) since Tue 2017-05-16 14:29:20 IST; 17s ago
     Docs: man:httpd(8)
           man:apachectl(8)
 Main PID: 1947 (httpd)
   Status: "Total requests: 0; Current requests/sec: 0; Current traffic:   0 B/sec"
   CGroup: /system.slice/httpd.service
           ├─1947 /usr/sbin/httpd -DFOREGROUND
           ├─1948 /usr/libexec/nss_pcache 131074 off
           ├─1949 /usr/sbin/httpd -DFOREGROUND
           ├─1950 /usr/sbin/httpd -DFOREGROUND
           ├─1951 /usr/sbin/httpd -DFOREGROUND
           ├─1952 /usr/sbin/httpd -DFOREGROUND
           └─1953 /usr/sbin/httpd -DFOREGROUND

May 16 14:29:20 dhcp207-220.testrelm.test systemd[1]: Starting The Apache HTTP Server...
May 16 14:29:20 dhcp207-220.testrelm.test systemd[1]: Started The Apache HTTP Server.
[root@dhcp207-220 ~]# groups apache
apache : apache ipaapi mytest
[root@dhcp207-220 ~]#
Comment 7 errata-xmlrpc 2017-08-01 16:53:57 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-2017:2009