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Bug 1477887

Summary: SELinux policy for Tomcat should not allow access to rpm database by default
Product: Red Hat Enterprise Linux 7 Reporter: Jan Hutař <jhutar>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 7.4CC: jhutar, lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.13.1-174.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-04-10 12:36:40 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:
Bug Depends On:    
Bug Blocks: 1477960    

Description Jan Hutař 2017-08-03 07:06:08 UTC
Description of problem:
SELinux policy for Tomcat should not allow access to rpm database by default


Version-Release number of selected component (if applicable):
selinux-policy-3.13.1-166.el7


How reproducible:
always


Steps to Reproduce:
1. From some application deployed in Tomcat application server attempt to
   access rpm database (initially observed on Spacewalk)


Actual results:
Application running in Tomcat is allowed to access rpm database


Expected results:
This should not be allowed (at least by default). When needed, should be allowed by application specific policy.


Additional info:
Opening this bug after discussion with Miroslav Grepl in bug 1451318.

Comment 1 Milos Malik 2017-08-03 07:13:42 UTC
Please attach SELinux denials that are triggered by your scenario.

# ausearch -m avc -m user_avc -m selinux_err -m user_selinux_err -i -ts today

Comment 2 Jan Hutař 2017-08-03 09:43:51 UTC
Please see bug 1451318 for details. Problem here is policy allows something which should be denied.

Comment 3 Miroslav Grepl 2017-08-03 13:21:55 UTC
(In reply to Jan Hutař from comment #2)
> Please see bug 1451318 for details. Problem here is policy allows something
> which should be denied.

I think it is a misinterpretation. Ii could be allowed by another way (a booelan maybe) and this bug is for a discussion of that from my point of view.

Is it OK?

Comment 4 Jan Hutař 2017-08-03 14:08:46 UTC
Yep, I'm not against discussion. With comment #0 and comment #2 I just wanted to state the problem.

Comment 9 errata-xmlrpc 2018-04-10 12:36:40 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-2018:0763