[RHSA-2017:0535-01] Important: policycoreutils security update

[news 28]

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Red Hat Security Advisory

 

Synopsis: Important: policycoreutils security update

Advisory ID: RHSA-2017:0535-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0535.html

Issue date: 2017-03-15

CVE Names: CVE-2016-7545

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1. Summary:

 

An update for policycoreutils is now available for Red Hat Enterprise Linux

7.2 Extended Update Support.

 

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 ComputeNode EUS (v. 7.2) - x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server EUS (v. 7.2) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 7.2) - ppc64, ppc64le, s390x, 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 ComputeNode EUS (v. 7.2):

 

Source:

policycoreutils-2.2.5-21.el7_2.src.rpm

 

x86_64:

policycoreutils-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-newrole-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-python-2.2.5-21.el7_2.x86_64.rpm

 

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2):

 

x86_64:

policycoreutils-debuginfo-2.2.5-21.el7_2.i686.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-devel-2.2.5-21.el7_2.i686.rpm

policycoreutils-devel-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-gui-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-restorecond-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-sandbox-2.2.5-21.el7_2.x86_64.rpm

 

Red Hat Enterprise Linux Server EUS (v. 7.2):

 

Source:

policycoreutils-2.2.5-21.el7_2.src.rpm

 

ppc64:

policycoreutils-2.2.5-21.el7_2.ppc64.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.ppc.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.ppc64.rpm

policycoreutils-devel-2.2.5-21.el7_2.ppc.rpm

policycoreutils-devel-2.2.5-21.el7_2.ppc64.rpm

policycoreutils-gui-2.2.5-21.el7_2.ppc64.rpm

policycoreutils-newrole-2.2.5-21.el7_2.ppc64.rpm

policycoreutils-python-2.2.5-21.el7_2.ppc64.rpm

policycoreutils-sandbox-2.2.5-21.el7_2.ppc64.rpm

 

ppc64le:

policycoreutils-2.2.5-21.el7_2.ppc64le.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.ppc64le.rpm

policycoreutils-devel-2.2.5-21.el7_2.ppc64le.rpm

policycoreutils-gui-2.2.5-21.el7_2.ppc64le.rpm

policycoreutils-newrole-2.2.5-21.el7_2.ppc64le.rpm

policycoreutils-python-2.2.5-21.el7_2.ppc64le.rpm

policycoreutils-sandbox-2.2.5-21.el7_2.ppc64le.rpm

 

s390x:

policycoreutils-2.2.5-21.el7_2.s390x.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.s390.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.s390x.rpm

policycoreutils-devel-2.2.5-21.el7_2.s390.rpm

policycoreutils-devel-2.2.5-21.el7_2.s390x.rpm

policycoreutils-gui-2.2.5-21.el7_2.s390x.rpm

policycoreutils-newrole-2.2.5-21.el7_2.s390x.rpm

policycoreutils-python-2.2.5-21.el7_2.s390x.rpm

policycoreutils-sandbox-2.2.5-21.el7_2.s390x.rpm

 

x86_64:

policycoreutils-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.i686.rpm

policycoreutils-debuginfo-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-devel-2.2.5-21.el7_2.i686.rpm

policycoreutils-devel-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-gui-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-newrole-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-python-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-sandbox-2.2.5-21.el7_2.x86_64.rpm

 

Red Hat Enterprise Linux Server Optional EUS (v. 7.2):

 

ppc64:

policycoreutils-debuginfo-2.2.5-21.el7_2.ppc64.rpm

policycoreutils-restorecond-2.2.5-21.el7_2.ppc64.rpm

 

ppc64le:

policycoreutils-debuginfo-2.2.5-21.el7_2.ppc64le.rpm

policycoreutils-restorecond-2.2.5-21.el7_2.ppc64le.rpm

 

s390x:

policycoreutils-debuginfo-2.2.5-21.el7_2.s390x.rpm

policycoreutils-restorecond-2.2.5-21.el7_2.s390x.rpm

 

x86_64:

policycoreutils-debuginfo-2.2.5-21.el7_2.x86_64.rpm

policycoreutils-restorecond-2.2.5-21.el7_2.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 2017 Red Hat, Inc.

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