flash-plugin not working within SELinux sandbox (f14)

Daniel J Walsh dwalsh at redhat.com
Tue Oct 11 21:11:08 UTC 2011


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On 10/11/2011 05:04 PM, Christoph A. wrote:
> Hi, since a recent flash-plugin it is no longer working within a
> sandbox.
> 
> 
> rpm -qa flash-plugin flash-plugin-11.0.1.152-release.i386
> 
> rpm -qa *selinux* selinux-policy-targeted-3.9.7-44.fc14.noarch 
> libselinux-utils-2.0.96-6.fc14.1.x86_64 
> libselinux-2.0.96-6.fc14.1.i686 
> selinux-policy-3.9.7-44.fc14.noarch 
> libselinux-python-2.0.96-6.fc14.1.x86_64 
> libselinux-2.0.96-6.fc14.1.x86_64
> 
> I tried restorecon but it didn't fix the problem.
> 
> I turned off the dontaudit rules as described by Dan Walsh at a
> previous similar thread: 
> https://lists.fedoraproject.org/pipermail/users/2010-August/380366.html
>
>  I see the following AVCs:
> 
> type=AVC msg=audit(1318366350.121:782): avc:  denied  { execmod }
> for pid=11212 comm="npviewer.bin" 
> path="/usr/lib/flash-plugin/libflashplayer.so" dev=dm-1
> ino=4980766 
> scontext=unconfined_u:unconfined_r:sandbox_web_client_t:s0:c140,c1007
>
> 
tcontext=system_u:object_r:lib_t:s0 tclass=file
> 
> type=AVC msg=audit(1318366350.122:783): avc:  denied  { read } for 
> pid=11120 comm="firefox" name="nswrapper_64_64.libflashplayer.so" 
> dev=dm-1 ino=4720059 
> scontext=unconfined_u:unconfined_r:sandbox_web_client_t:s0:c140,c1007
>
> 
tcontext=unconfined_u:object_r:nsplugin_rw_t:s0:c185,c254 tclass=file
> 
> type=AVC msg=audit(1318366350.122:784): avc:  denied  { read } for 
> pid=11120 comm="firefox" name="nswrapper_64_64.libflashplayer.so" 
> dev=dm-1 ino=4720059 
> scontext=unconfined_u:unconfined_r:sandbox_web_client_t:s0:c140,c1007
>
> 
tcontext=unconfined_u:object_r:nsplugin_rw_t:s0:c185,c254 tclass=file
> 
> 
> 


chcon -t textrel_shlib_t /usr/lib/flash-plugin/libflashplayer.so
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