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Bug 760537 - SELinux "targeted" policy blocks web access to files in directories named "logs"
Summary: SELinux "targeted" policy blocks web access to files in directories named "logs"
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: selinux-policy
Version: 6.2
Hardware: All
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Miroslav Grepl
QA Contact: Michal Trunecka
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-12-06 13:20 UTC by Robert Vogelgesang
Modified: 2014-09-30 23:33 UTC (History)
4 users (show)

Fixed In Version: selinux-policy-3.7.19-136.el6
Doc Type: Bug Fix
Doc Text:
Clone Of: 723258
Environment:
Last Closed: 2012-06-20 12:29:33 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2012:0780 0 normal SHIPPED_LIVE selinux-policy bug fix and enhancement update 2012-06-19 20:34:59 UTC

Description Robert Vogelgesang 2011-12-06 13:20:15 UTC 
+++ This bug was initially created as a clone of Bug #723258 +++

The errata package mentioned in bug #723258 adds the workaround which I originally proposed, but did not fully resolve the issue, because the rule
/var/www(/.*)?/logs(/.*)?       system_u:object_r:httpd_log_t:s0
was not removed from /etc/selinux/targeted/contexts/files, the solution I proposed in comment 5 of bug #723258.  Comment 6 replies only to the possibility to have a boolean for this, but does not say anything about the
reason why this rule even exists.


Description of the remaining problem:
The current SELinux "targeted" policy blocks web access to files in directories named "logs" in hierarchies below /var/www/ other than /var/www/html/.  This is caused by the following entry in /etc/selinux/targeted/contexts/files/file_contexts:
/var/www(/.*)?/logs(/.*)?       system_u:object_r:httpd_log_t:s0

We frequently mount additional disk space for web servers on various directories below of /var/www/,

The above rule blocks access to parts of the additional web space, without any good reason, because the default setup has the Apache log files in /var/log/httpd/, which does not match this rule.

Version-Release number of selected component (if applicable):
selinux-policy-targeted-3.7.19-126.el6.noarch

How reproducible:
Always

Steps to Reproduce:
1. Install Apache httpd and selinux-policy-targeted on RHEL-6.
2. Create directory /var/www/vweb1 and configure Apache with a VirtualHost
   which has /var/www/vweb1 as its DocumentRoot.
3. Create directory /var/www/vweb1/logs/ and some files in it.
4. Try to access the files with a web browser.
  
Actual results:
The access fails.

Expected results:
The files should be processed like any other content in /var/www/vweb1/.

Additional info:
Comment 2 Robert Vogelgesang 2011-12-06 14:06:57 UTC 
One minor correction:

The RHEL-6.2 package is selinux-policy-targeted-3.7.19-126.el6_2.3.noarch, but still contains the rule that I'd like to get removed.
Comment 3 Daniel Walsh 2011-12-06 16:27:53 UTC 
I think we should remove these.  If there are real world cases where a user needs httpd_log_t under this directory we should setup the labeling for it.
Comment 4 Robert Vogelgesang 2011-12-06 16:50:42 UTC 
Yeah, thank you.
Comment 8 errata-xmlrpc 2012-06-20 12:29:33 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.

http://rhn.redhat.com/errata/RHBA-2012-0780.html
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