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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: policycoreutils security update
Advisory ID:       RHSA-2016:2702-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:2702.html
Issue date:        2016-11-14
CVE Names:         CVE-2016-7545 
====================================================================
1. Summary:

An update for policycoreutils is now available for Red Hat Enterprise Linux
6 and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The policycoreutils packages contain the core policy utilities required to
manage a SELinux environment.

Security Fix(es):

* It was found that the sandbox tool provided in policycoreutils was
vulnerable to a TIOCSTI ioctl attack. A specially crafted program executed
via the sandbox command could use this flaw to execute arbitrary commands
in the context of the parent shell, escaping the sandbox. (CVE-2016-7545)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1378577 - CVE-2016-7545 policycoreutils: SELinux sandbox escape via TIOCSTI ioctl

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
policycoreutils-2.0.83-30.1.el6_8.src.rpm

i386:
policycoreutils-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-python-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.i686.rpm

x86_64:
policycoreutils-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-python-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
policycoreutils-2.0.83-30.1.el6_8.src.rpm

x86_64:
policycoreutils-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-python-2.0.83-30.1.el6_8.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

x86_64:
policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
policycoreutils-2.0.83-30.1.el6_8.src.rpm

i386:
policycoreutils-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-python-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.i686.rpm

ppc64:
policycoreutils-2.0.83-30.1.el6_8.ppc64.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.ppc64.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.ppc64.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.ppc64.rpm
policycoreutils-python-2.0.83-30.1.el6_8.ppc64.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.ppc64.rpm

s390x:
policycoreutils-2.0.83-30.1.el6_8.s390x.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.s390x.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.s390x.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.s390x.rpm
policycoreutils-python-2.0.83-30.1.el6_8.s390x.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.s390x.rpm

x86_64:
policycoreutils-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-python-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
policycoreutils-2.0.83-30.1.el6_8.src.rpm

i386:
policycoreutils-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-python-2.0.83-30.1.el6_8.i686.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.i686.rpm

x86_64:
policycoreutils-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-gui-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-newrole-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-python-2.0.83-30.1.el6_8.x86_64.rpm
policycoreutils-sandbox-2.0.83-30.1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
policycoreutils-2.5-9.el7.src.rpm

x86_64:
policycoreutils-2.5-9.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-9.el7.i686.rpm
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-devel-2.5-9.el7.i686.rpm
policycoreutils-devel-2.5-9.el7.x86_64.rpm
policycoreutils-gui-2.5-9.el7.x86_64.rpm
policycoreutils-newrole-2.5-9.el7.x86_64.rpm
policycoreutils-python-2.5-9.el7.x86_64.rpm
policycoreutils-sandbox-2.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-restorecond-2.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
policycoreutils-2.5-9.el7.src.rpm

x86_64:
policycoreutils-2.5-9.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-newrole-2.5-9.el7.x86_64.rpm
policycoreutils-python-2.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
policycoreutils-debuginfo-2.5-9.el7.i686.rpm
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-devel-2.5-9.el7.i686.rpm
policycoreutils-devel-2.5-9.el7.x86_64.rpm
policycoreutils-gui-2.5-9.el7.x86_64.rpm
policycoreutils-restorecond-2.5-9.el7.x86_64.rpm
policycoreutils-sandbox-2.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
policycoreutils-2.5-9.el7.src.rpm

aarch64:
policycoreutils-2.5-9.el7.aarch64.rpm
policycoreutils-debuginfo-2.5-9.el7.aarch64.rpm
policycoreutils-devel-2.5-9.el7.aarch64.rpm
policycoreutils-gui-2.5-9.el7.aarch64.rpm
policycoreutils-newrole-2.5-9.el7.aarch64.rpm
policycoreutils-python-2.5-9.el7.aarch64.rpm
policycoreutils-sandbox-2.5-9.el7.aarch64.rpm

ppc64:
policycoreutils-2.5-9.el7.ppc64.rpm
policycoreutils-debuginfo-2.5-9.el7.ppc.rpm
policycoreutils-debuginfo-2.5-9.el7.ppc64.rpm
policycoreutils-devel-2.5-9.el7.ppc.rpm
policycoreutils-devel-2.5-9.el7.ppc64.rpm
policycoreutils-gui-2.5-9.el7.ppc64.rpm
policycoreutils-newrole-2.5-9.el7.ppc64.rpm
policycoreutils-python-2.5-9.el7.ppc64.rpm
policycoreutils-sandbox-2.5-9.el7.ppc64.rpm

ppc64le:
policycoreutils-2.5-9.el7.ppc64le.rpm
policycoreutils-debuginfo-2.5-9.el7.ppc64le.rpm
policycoreutils-devel-2.5-9.el7.ppc64le.rpm
policycoreutils-gui-2.5-9.el7.ppc64le.rpm
policycoreutils-newrole-2.5-9.el7.ppc64le.rpm
policycoreutils-python-2.5-9.el7.ppc64le.rpm
policycoreutils-sandbox-2.5-9.el7.ppc64le.rpm

s390x:
policycoreutils-2.5-9.el7.s390x.rpm
policycoreutils-debuginfo-2.5-9.el7.s390.rpm
policycoreutils-debuginfo-2.5-9.el7.s390x.rpm
policycoreutils-devel-2.5-9.el7.s390.rpm
policycoreutils-devel-2.5-9.el7.s390x.rpm
policycoreutils-gui-2.5-9.el7.s390x.rpm
policycoreutils-newrole-2.5-9.el7.s390x.rpm
policycoreutils-python-2.5-9.el7.s390x.rpm
policycoreutils-sandbox-2.5-9.el7.s390x.rpm

x86_64:
policycoreutils-2.5-9.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-9.el7.i686.rpm
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-devel-2.5-9.el7.i686.rpm
policycoreutils-devel-2.5-9.el7.x86_64.rpm
policycoreutils-gui-2.5-9.el7.x86_64.rpm
policycoreutils-newrole-2.5-9.el7.x86_64.rpm
policycoreutils-python-2.5-9.el7.x86_64.rpm
policycoreutils-sandbox-2.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

aarch64:
policycoreutils-debuginfo-2.5-9.el7.aarch64.rpm
policycoreutils-restorecond-2.5-9.el7.aarch64.rpm

ppc64:
policycoreutils-debuginfo-2.5-9.el7.ppc64.rpm
policycoreutils-restorecond-2.5-9.el7.ppc64.rpm

ppc64le:
policycoreutils-debuginfo-2.5-9.el7.ppc64le.rpm
policycoreutils-restorecond-2.5-9.el7.ppc64le.rpm

s390x:
policycoreutils-debuginfo-2.5-9.el7.s390x.rpm
policycoreutils-restorecond-2.5-9.el7.s390x.rpm

x86_64:
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-restorecond-2.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
policycoreutils-2.5-9.el7.src.rpm

x86_64:
policycoreutils-2.5-9.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-9.el7.i686.rpm
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-devel-2.5-9.el7.i686.rpm
policycoreutils-devel-2.5-9.el7.x86_64.rpm
policycoreutils-gui-2.5-9.el7.x86_64.rpm
policycoreutils-newrole-2.5-9.el7.x86_64.rpm
policycoreutils-python-2.5-9.el7.x86_64.rpm
policycoreutils-sandbox-2.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
policycoreutils-debuginfo-2.5-9.el7.x86_64.rpm
policycoreutils-restorecond-2.5-9.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key

7. References:

https://access.redhat.com/security/cve/CVE-2016-7545
https://access.redhat.com/security/updates/classification#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact

Copyright 2016 Red Hat, Inc.
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Red Hat Enterprise Linux: RHSA-2016-2702-01 Important Sandbox Escape

red hat

November 14, 2016

An update for policycoreutils is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The policycoreutils packages contain the core policy utilities required to manage a SELinux environment.
Security Fix(es):
* It was found that the sandbox tool provided in policycoreutils was vulnerable to a TIOCSTI ioctl attack. A specially crafted program executed via the sandbox command could use this flaw to execute arbitrary commands in the context of the parent shell, escaping the sandbox. (CVE-2016-7545)

Topics Covered

security advisory Red Hat important policycoreutils sandbox escape

References

https://access.redhat.com/security/cve/CVE-2016-7545 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: policycoreutils-2.0.83-30.1.el6_8.src.rpm
i386: policycoreutils-2.0.83-30.1.el6_8.i686.rpm policycoreutils-debuginfo-2.0.83-30.1.el6_8.i686.rpm policycoreutils-gui-2.0.83-30.1.el6_8.i686.rpm policycoreutils-newrole-2.0.83-30.1.el6_8.i686.rpm policycoreutils-python-2.0.83-30.1.el6_8.i686.rpm policycoreutils-sandbox-2.0.83-30.1.el6_8.i686.rpm
x86_64: policycoreutils-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-gui-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-newrole-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-python-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-sandbox-2.0.83-30.1.el6_8.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: policycoreutils-2.0.83-30.1.el6_8.src.rpm
x86_64: policycoreutils-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-newrole-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-python-2.0.83-30.1.el6_8.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64: policycoreutils-debuginfo-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-gui-2.0.83-30.1.el6_8.x86_64.rpm policycoreutils-sandbox-2.0.83-30.1.el6_8.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:

Read the Full Advisory

Severity

important

Lowest

Low

Medium

High

Critical

Advisory ID: RHSA-2016:2702-01

Product: Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2016:2702.html

Issue date: 2016-11-14

Topic

An update for policycoreutils is now available for Red Hat Enterprise Linux6 and Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics Covered

security advisory Red Hat important policycoreutils sandbox escape

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1378577 - CVE-2016-7545 policycoreutils: SELinux sandbox escape via TIOCSTI ioctl

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