Bug 618874 - SELinux is preventing /usr/bin/perl "write" access on /var/lib/munin/plugin-state.
Summary: SELinux is preventing /usr/bin/perl "write" access on /var/lib/munin/plu...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 13
Hardware: i386
OS: Linux
low
medium
Target Milestone: ---
Assignee: Miroslav Grepl
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: setroubleshoot_trace_hash:ec08bc95c18...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-07-27 22:35 UTC by Peter Klöppel
Modified: 2010-08-10 21:42 UTC (History)
2 users (show)

Fixed In Version: selinux-policy-3.7.19-44.fc13
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2010-08-10 21:42:09 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Peter Klöppel 2010-07-27 22:35:05 UTC
Summary:

SELinux is preventing /usr/bin/perl "write" access on
/var/lib/munin/plugin-state.

Detailed Description:

[iostat_ios has a permissive type (munin_system_plugin_t). This access was not
denied.]

SELinux denied access requested by iostat_ios. It is not expected that this
access is required by iostat_ios and this access may signal an intrusion
attempt. It is also possible that the specific version or configuration of the
application is causing it to require additional access.

Allowing Access:

You can generate a local policy module to allow this access - see FAQ
(http://docs.fedoraproject.org/selinux-faq-fc5/#id2961385) Please file a bug
report.

Additional Information:

Source Context                unconfined_u:system_r:munin_system_plugin_t:s0
Target Context                system_u:object_r:munin_var_lib_t:s0
Target Objects                /var/lib/munin/plugin-state [ dir ]
Source                        iostat_ios
Source Path                   /usr/bin/perl
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           perl-5.10.1-112.fc13
Target RPM Packages           munin-node-1.4.4-1.fc13
Policy RPM                    selinux-policy-3.7.19-15.fc13
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   catchall
Host Name                     (removed)
Platform                      Linux (removed) 2.6.33.4-95.fc13.i686 #1 SMP Thu May 13
                              05:55:24 UTC 2010 i686 i686
Alert Count                   3
First Seen                    Wed 26 May 2010 09:05:11 PM CEST
Last Seen                     Wed 26 May 2010 09:05:11 PM CEST
Local ID                      8f14ef1a-864b-4af1-b60e-8ae46dbb2229
Line Numbers                  

Raw Audit Messages            

node=(removed) type=AVC msg=audit(1274900711.842:21692): avc:  denied  { write } for  pid=11841 comm="iostat_ios" name="plugin-state" dev=sda2 ino=142285 scontext=unconfined_u:system_r:munin_system_plugin_t:s0 tcontext=system_u:object_r:munin_var_lib_t:s0 tclass=dir

node=(removed) type=AVC msg=audit(1274900711.842:21692): avc:  denied  { add_name } for  pid=11841 comm="iostat_ios" name="iostat-ios.state" scontext=unconfined_u:system_r:munin_system_plugin_t:s0 tcontext=system_u:object_r:munin_var_lib_t:s0 tclass=dir

node=(removed) type=AVC msg=audit(1274900711.842:21692): avc:  denied  { create } for  pid=11841 comm="iostat_ios" name="iostat-ios.state" scontext=unconfined_u:system_r:munin_system_plugin_t:s0 tcontext=unconfined_u:object_r:munin_var_lib_t:s0 tclass=file

node=(removed) type=SYSCALL msg=audit(1274900711.842:21692): arch=40000003 syscall=5 success=yes exit=3 a0=8bb73f8 a1=8241 a2=1b6 a3=0 items=0 ppid=11617 pid=11841 auid=500 uid=490 gid=478 euid=490 suid=490 fsuid=490 egid=478 sgid=478 fsgid=478 tty=(none) ses=1 comm="iostat_ios" exe="/usr/bin/perl" subj=unconfined_u:system_r:munin_system_plugin_t:s0 key=(null)



Hash String generated from  catchall,iostat_ios,munin_system_plugin_t,munin_var_lib_t,dir,write
audit2allow suggests:

#============= munin_system_plugin_t ==============
#!!!! The source type 'munin_system_plugin_t' can write to a 'dir' of the following type:
# munin_system_plugin_tmp_t
#!!!! The source type 'munin_system_plugin_t' can write to a 'dir' of the following types:
# munin_system_plugin_tmp_t, tmp_t

allow munin_system_plugin_t munin_var_lib_t:dir { write add_name };
allow munin_system_plugin_t munin_var_lib_t:file create;

Comment 1 Peter Klöppel 2010-07-27 22:39:09 UTC
Hi,

additional comment:
I installed the package munin-node and get these SELinux alerts.

If you need more information then please tell me.

Bye

Comment 2 Miroslav Grepl 2010-07-28 08:19:28 UTC
Peter,
I will fix it. Also please run

yum update

Comment 3 Miroslav Grepl 2010-07-28 08:19:48 UTC
Dan,
I am doing some changes for munin-plugin policy. I will send you a patch.

Comment 4 Miroslav Grepl 2010-08-02 12:51:46 UTC
Fixed in selinux-policy-3.7.19-42.fc13

Comment 5 Fedora Update System 2010-08-06 13:42:06 UTC
selinux-policy-3.7.19-44.fc13 has been submitted as an update for Fedora 13.
http://admin.fedoraproject.org/updates/selinux-policy-3.7.19-44.fc13

Comment 6 Fedora Update System 2010-08-06 21:01:18 UTC
selinux-policy-3.7.19-44.fc13 has been pushed to the Fedora 13 testing repository.  If problems still persist, please make note of it in this bug report.
 If you want to test the update, you can install it with 
 su -c 'yum --enablerepo=updates-testing update selinux-policy'.  You can provide feedback for this update here: http://admin.fedoraproject.org/updates/selinux-policy-3.7.19-44.fc13

Comment 7 Fedora Update System 2010-08-10 21:40:32 UTC
selinux-policy-3.7.19-44.fc13 has been pushed to the Fedora 13 stable repository.  If problems still persist, please make note of it in this bug report.


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