Issued:
2017-03-15
Updated:
2017-03-15

RHSA-2017:0535 - Important: policycoreutils security update


Synopsis

Important: policycoreutils security update

Type/Severity

Security Advisory Important

Topic

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.

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)

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

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions7.2x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support7.2x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support7.2ppc64le
Red Hat Enterprise Linux for Power, big endian - Extended Update Support7.2ppc64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support7.2s390x
Red Hat Enterprise Linux Server - TUS7.2x86_64
Red Hat Enterprise Linux Server - AUS7.2x86_64
Red Hat Enterprise Linux EUS Compute Node7.2x86_64

Updated Packages

  • policycoreutils-debuginfo-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-debuginfo-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-sandbox-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-sandbox-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-debuginfo-2.2.5-21.el7_2.ppc.rpm
  • policycoreutils-python-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-gui-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-debuginfo-2.2.5-21.el7_2.x86_64.rpm
  • policycoreutils-devel-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-devel-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-devel-2.2.5-21.el7_2.ppc.rpm
  • policycoreutils-gui-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-newrole-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-debuginfo-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-python-2.2.5-21.el7_2.x86_64.rpm
  • policycoreutils-restorecond-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-newrole-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-devel-2.2.5-21.el7_2.s390.rpm
  • policycoreutils-2.2.5-21.el7_2.x86_64.rpm
  • policycoreutils-newrole-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-restorecond-2.2.5-21.el7_2.x86_64.rpm
  • policycoreutils-python-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-restorecond-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-2.2.5-21.el7_2.src.rpm
  • policycoreutils-restorecond-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-sandbox-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-devel-2.2.5-21.el7_2.i686.rpm
  • policycoreutils-debuginfo-2.2.5-21.el7_2.i686.rpm
  • policycoreutils-devel-2.2.5-21.el7_2.ppc64le.rpm
  • policycoreutils-devel-2.2.5-21.el7_2.x86_64.rpm
  • policycoreutils-newrole-2.2.5-21.el7_2.x86_64.rpm
  • policycoreutils-2.2.5-21.el7_2.ppc64.rpm
  • policycoreutils-debuginfo-2.2.5-21.el7_2.s390.rpm
  • policycoreutils-gui-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-python-2.2.5-21.el7_2.s390x.rpm
  • policycoreutils-gui-2.2.5-21.el7_2.x86_64.rpm
  • policycoreutils-sandbox-2.2.5-21.el7_2.x86_64.rpm

Fixes

CVEs

References


Additional information