Re: fail2ban to rpm??

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On 11/03/2016 04:03 PM, lejeczek wrote:


On 03/11/16 01:28, Simon Sekidde wrote:

----- Original Message -----
From: "lejeczek" <peljasz@xxxxxxxxxxx>
To: selinux@xxxxxxxxxxxxxxxxxxxxxxx
Sent: Wednesday, November 2, 2016 6:30:30 PM
Subject: fail2ban to rpm??

hi everybody
on my one system I see something weir...

setroubleshoot[58420]: SELinux is preventing
/usr/bin/python2.7 from getattr access on the file
/usr/bin/rpm. For complete SELinux messages. run sealert -l
892542a6-b3ea-48eb-b76f-cadffdbdbb84
Nov 02 22:21:27 rider.private.ccnr.ceb.private.cam.ac.uk
python[58420]: SELinux is preventing /usr/bin/python2.7 from
getattr access on the file /usr/bin/rpm.

Source Context
system_u:system_r:fail2ban_client_t:s0
Target Context                system_u:object_r:rpm_exec_t:s0
Target Objects                /usr/bin/rpm [ file ]
Source                        fail2ban-client
Source Path                   /usr/bin/python2.7

fail2ban wants to run rpm ???
unless some binaries I have mislabelled this would be
suspicious, no?? What do you think?
Do you know how this warning was triggered?
We only allow this permission for rpm files in the /tmp dir
it was an attempt to systemctl start fail2ban, but I .autorelabeled and
it does not appear to be a problem any more, so maybe just wrong
selabels somewhere.


THXALOT
L.
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I see allow rule in Fedora 24:

$ sesearch -A -s fail2ban_t  -t rpm_exec_t
Found 2 semantic av rules:
   allow fail2ban_t file_type : filesystem getattr ;
allow fail2ban_t rpm_exec_t : file { ioctl read getattr lock execute execute_no_trans open } ;


I believe it was caused by wrong labels on your system.

Thank you,
Lukas.


--
Lukas Vrabec
SELinux Solutions
Red Hat, Inc.
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