Bug 953874 – AVC denial in squid

Bugzilla will be upgraded to version 5.0. The upgrade date is tentatively scheduled for 2 December 2018, pending final testing and feedback.

Bug 953874 - AVC denial in squid

Summary:	AVC denial in squid

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	selinux-policy (Show other bugs)
Sub Component:
Version:	5.9
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Miroslav Grepl
QA Contact:	Milos Malik
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2013-04-19 07:47 EDT by Hubert Kario
Modified:	2013-09-30 18:25 EDT (History)
CC List:	3 users (show)

See Also:
Fixed In Version:	selinux-policy-2.4.6-339.el5
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2013-09-30 18:25:15 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHBA-2013:1312	normal	SHIPPED_LIVE	selinux-policy bug fix update	2013-09-30 17:13:27 EDT

Groups: None (edit)

Description Hubert Kario 2013-04-19 07:47:41 EDT

Description of problem:
AVC denial while fetching file through squid with kerberos authentication

How reproducible:
Always

Steps to Reproduce:
1. Setup squid with kerberos authentication
2. Use curl to access some internet site
  
Actual results:
time->Tue Apr 16 08:11:44 2013
type=SYSCALL msg=audit(1366114304.233:42): arch=c000003e syscall=42 success=no exit=-13 a0=19 a1=1fd9a614 a2=10 a3=0 items=0 ppid=11987 pid=11989 auid=4294967295 uid=23 gid=23 euid=23 suid=0 fsuid=23 egid=23 sgid=23 fsgid=23 tty=(none) ses=4294967295 comm="squid" exe="/usr/sbin/squid" subj=root:system_r:squid_t:s0 key=(null)
type=AVC msg=audit(1366114304.233:42): avc:  denied  { name_connect } for  pid=11989 comm="squid" dest=113 scontext=root:system_r:squid_t:s0 tcontext=system_u:object_r:auth_port_t:s0 tclass=tcp_socket
----
time->Tue Apr 16 08:11:44 2013
type=SYSCALL msg=audit(1366114304.647:43): arch=c000003e syscall=42 success=no exit=-13 a0=19 a1=1fd9a614 a2=10 a3=1fd9dc90 items=0 ppid=11987 pid=11989 auid=4294967295 uid=23 gid=23 euid=23 suid=0 fsuid=23 egid=23 sgid=23 fsgid=23 tty=(none) ses=4294967295 comm="squid" exe="/usr/sbin/squid" subj=root:system_r:squid_t:s0 key=(null)
type=AVC msg=audit(1366114304.647:43): avc:  denied  { name_connect } for  pid=11989 comm="squid" dest=113 scontext=root:system_r:squid_t:s0 tcontext=system_u:object_r:auth_port_t:s0 tclass=tcp_socket


Expected results:
No AVC denials

Comment 2 RHEL Product and Program Management 2013-04-19 08:08:29 EDT

This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux release.  Product Management has
requested further review of this request by Red Hat Engineering, for
potential inclusion in a Red Hat Enterprise Linux release for currently
deployed products.  This request is not yet committed for inclusion in
a release.

Comment 3 Miroslav Grepl 2013-04-23 02:11:37 EDT

We allow it in Fedora/RHEL6.

#============= squid_t ==============

#!!!! This avc is allowed in the current policy
allow squid_t auth_port_t:tcp_socket name_connect;

Comment 8 errata-xmlrpc 2013-09-30 18:25:15 EDT

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-2013-1312.html

Note You need to log in before you can comment on or make changes to this bug.