Bug 847841 – SELinux is preventing /usr/bin/nspluginscan from 'execute' accesses on the file /usr/lib64/mozilla/plugins-wrapped/nswrapper_64_64.libflashplayer.so. Also it is preventing nspluginviewer.

Bug 847841 - SELinux is preventing /usr/bin/nspluginscan from 'execute' accesses on the file /usr/lib64/mozilla/plugins-wrapped/nswrapper_64_64.libflashplayer.so. Also it is preventing nspluginviewer.

Summary:	SELinux is preventing /usr/bin/nspluginscan from 'execute' accesses on the fi...

Status:	CLOSED CURRENTRELEASE

Aliases:	None

Product:	Fedora
Classification:	Fedora
Component:	selinux-policy (Show other bugs)
Sub Component:
Version:	17
Hardware:	x86_64 Unspecified

Priority	unspecified Severity unspecified
Target Milestone:	---
Target Release:	---
Assigned To:	Miroslav Grepl
QA Contact:	Fedora Extras Quality Assurance
Docs Contact:

URL:
Whiteboard:	abrt_hash:1b47f1babff500ae5164829f61d...
Keywords:

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2012-08-13 13:49 EDT by ahmad.harthi@yahoo.com
Modified:	2012-12-15 14:43 EST (History)
CC List:	3 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2012-12-15 14:43:39 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Description ahmad.harthi@yahoo.com 2012-08-13 13:49:58 EDT

libreport version: 2.0.10
executable:     /usr/bin/python2.7
hashmarkername: setroubleshoot
kernel:         3.5.1-1.fc17.x86_64
time:           Mon 13 Aug 2012 08:48:49 PM AST

description:
:SELinux is preventing /usr/bin/nspluginscan from 'execute' accesses on the file /usr/lib64/mozilla/plugins-wrapped/nswrapper_64_64.libflashplayer.so.
:
:*****  Plugin catchall (100. confidence) suggests  ***************************
:
:If you believe that nspluginscan should be allowed execute access on the nswrapper_64_64.libflashplayer.so file by default.
:Then you should report this as a bug.
:You can generate a local policy module to allow this access.
:Do
:allow this access for now by executing:
:# grep nspluginscan /var/log/audit/audit.log | audit2allow -M mypol
:# semodule -i mypol.pp
:
:Additional Information:
:Source Context                unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c
:                              0.c1023
:Target Context                unconfined_u:object_r:mozilla_plugin_rw_t:s0
:Target Objects                /usr/lib64/mozilla/plugins-
:                              wrapped/nswrapper_64_64.libflashplayer.so [ file ]
:Source                        nspluginscan
:Source Path                   /usr/bin/nspluginscan
:Port                          <Unknown>
:Host                          (removed)
:Source RPM Packages           kde-baseapps-4.8.4-1.fc17.x86_64
:Target RPM Packages           
:Policy RPM                    selinux-policy-3.10.0-145.fc17.noarch
:Selinux Enabled               True
:Policy Type                   targeted
:Enforcing Mode                Enforcing
:Host Name                     (removed)
:Platform                      Linux (removed) 3.5.1-1.fc17.x86_64 #1 SMP Thu Aug
:                              9 17:50:43 UTC 2012 x86_64 x86_64
:Alert Count                   2
:First Seen                    Mon 13 Aug 2012 08:39:25 PM AST
:Last Seen                     Mon 13 Aug 2012 08:39:41 PM AST
:Local ID                      c012fca9-536a-4c1c-a575-53f6f0ae1f8f
:
:Raw Audit Messages
:type=AVC msg=audit(1344879581.670:441): avc:  denied  { execute } for  pid=29270 comm="nspluginscan" path="/usr/lib64/mozilla/plugins-wrapped/nswrapper_64_64.libflashplayer.so" dev="dm-1" ino=266324 scontext=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:mozilla_plugin_rw_t:s0 tclass=file
:
:
:type=SYSCALL msg=audit(1344879581.670:441): arch=x86_64 syscall=mmap success=no exit=EACCES a0=0 a1=221580 a2=5 a3=802 items=0 ppid=29252 pid=29270 auid=1000 uid=1000 gid=1000 euid=1000 suid=1000 fsuid=1000 egid=1000 sgid=1000 fsgid=1000 tty=(none) ses=1 comm=nspluginscan exe=/usr/bin/nspluginscan subj=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023 key=(null)
:
:Hash: nspluginscan,mozilla_plugin_t,mozilla_plugin_rw_t,file,execute
:
:audit2allow
:
:#============= mozilla_plugin_t ==============
:allow mozilla_plugin_t mozilla_plugin_rw_t:file execute;
:
:audit2allow -R
:
:#============= mozilla_plugin_t ==============
:allow mozilla_plugin_t mozilla_plugin_rw_t:file execute;
:

Comment 1 Daniel Walsh 2012-08-13 14:47:43 EDT

Did everything work ok?

Comment 2 ahmad.harthi@yahoo.com 2012-08-20 20:04:17 EDT

Yes, BUT... (I'm not familiar with SELinux, I did what it've suggested to me, adding an exception if I beleive these plugins shouldn't be blocked, and file a bug if I think the default behaviour is allowing access for those plugins)

Comment 3 Miroslav Grepl 2012-08-21 09:29:36 EDT

Ok, could you execute

# semodule -r mypol.pp
# grep nspluginscan /var/log/audit/audit.log | audit2allow -D -M mypol
# semodule -i mypol.pp

and make sure it still works. Thank you.

This rule will dontaudit this access.

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