Sigurnosni nedostaci programskog paketa policycoreutils

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Red Hat Security Advisory

Synopsis: Low: policycoreutils security, bug fix, and enhancement update
Advisory ID: RHSA-2018:0913-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0913
Issue date: 2018-04-10
CVE Names: CVE-2018-1063
=====================================================================

1. Summary:

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

Red Hat Product Security has rated this update as having a security impact
of Low. 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:

Buildroot (shipped just to git.centos.org) – ppc64, ppc64le, s390x, x86_64
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 Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) – aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) – aarch64, ppc64le, s390x

3. Description:

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

Security Fix(es):

* policycoreutils: Relabelling of symbolic links in /tmp and /var/tmp
change the context of their target instead (CVE-2018-1063)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

This issue was discovered by Renaud Métrich (Red Hat).

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.5 Release Notes linked from the References section.

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/):

974163 – semanage port -l shows a port with multiple types
1260238 – RFE: restorecon should say in verbose mode when it doesn’t change a context due to customizable_type
1337192 – semodule: provide better documentation for behavior across operations with modules
1376770 – sealert tracebacks when lithuanian locales are used
1409813 – file context policy does not honor globs for /home based entries
1458831 – ‘/sbin/fixfiles restore’ doesn’t relabel all files when run from /.autorelabel or from system when some special files are present in /tmp
1471809 – RFE: backport SELinux/InfiniBand userspace support
1481191 – [policycoreutils] Tier 0 Localization
1499259 – semanage fcontext “-f/–ftype” description is broken
1550122 – CVE-2018-1063 policycoreutils: Relabelling of symbolic links in /tmp and /var/tmp change the context of their target instead

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
policycoreutils-2.5-22.el7.src.rpm

x86_64:
policycoreutils-2.5-22.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-22.el7.i686.rpm
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm
policycoreutils-devel-2.5-22.el7.i686.rpm
policycoreutils-devel-2.5-22.el7.x86_64.rpm
policycoreutils-gui-2.5-22.el7.x86_64.rpm
policycoreutils-newrole-2.5-22.el7.x86_64.rpm
policycoreutils-python-2.5-22.el7.x86_64.rpm
policycoreutils-sandbox-2.5-22.el7.x86_64.rpm

Buildroot (shipped just to git.centos.org):

Source:
policycoreutils-2.5-22.el7.src.rpm

x86_64:
policycoreutils-2.5-22.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm

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

x86_64:
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm
policycoreutils-restorecond-2.5-22.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
policycoreutils-2.5-22.el7.src.rpm

x86_64:
policycoreutils-2.5-22.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm
policycoreutils-newrole-2.5-22.el7.x86_64.rpm
policycoreutils-python-2.5-22.el7.x86_64.rpm

Buildroot (shipped just to git.centos.org):

Source:
policycoreutils-2.5-22.el7.src.rpm

x86_64:
policycoreutils-2.5-22.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm

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

x86_64:
policycoreutils-debuginfo-2.5-22.el7.i686.rpm
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm
policycoreutils-devel-2.5-22.el7.i686.rpm
policycoreutils-devel-2.5-22.el7.x86_64.rpm
policycoreutils-gui-2.5-22.el7.x86_64.rpm
policycoreutils-restorecond-2.5-22.el7.x86_64.rpm
policycoreutils-sandbox-2.5-22.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
policycoreutils-2.5-22.el7.src.rpm

ppc64:
policycoreutils-2.5-22.el7.ppc64.rpm
policycoreutils-debuginfo-2.5-22.el7.ppc.rpm
policycoreutils-debuginfo-2.5-22.el7.ppc64.rpm
policycoreutils-devel-2.5-22.el7.ppc.rpm
policycoreutils-devel-2.5-22.el7.ppc64.rpm
policycoreutils-gui-2.5-22.el7.ppc64.rpm
policycoreutils-newrole-2.5-22.el7.ppc64.rpm
policycoreutils-python-2.5-22.el7.ppc64.rpm
policycoreutils-sandbox-2.5-22.el7.ppc64.rpm

ppc64le:
policycoreutils-2.5-22.el7.ppc64le.rpm
policycoreutils-debuginfo-2.5-22.el7.ppc64le.rpm
policycoreutils-devel-2.5-22.el7.ppc64le.rpm
policycoreutils-gui-2.5-22.el7.ppc64le.rpm
policycoreutils-newrole-2.5-22.el7.ppc64le.rpm
policycoreutils-python-2.5-22.el7.ppc64le.rpm
policycoreutils-sandbox-2.5-22.el7.ppc64le.rpm

s390x:
policycoreutils-2.5-22.el7.s390x.rpm
policycoreutils-debuginfo-2.5-22.el7.s390.rpm
policycoreutils-debuginfo-2.5-22.el7.s390x.rpm
policycoreutils-devel-2.5-22.el7.s390.rpm
policycoreutils-devel-2.5-22.el7.s390x.rpm
policycoreutils-gui-2.5-22.el7.s390x.rpm
policycoreutils-newrole-2.5-22.el7.s390x.rpm
policycoreutils-python-2.5-22.el7.s390x.rpm
policycoreutils-sandbox-2.5-22.el7.s390x.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
policycoreutils-2.5-22.el7.src.rpm

aarch64:
policycoreutils-2.5-22.el7.aarch64.rpm
policycoreutils-debuginfo-2.5-22.el7.aarch64.rpm
policycoreutils-devel-2.5-22.el7.aarch64.rpm
policycoreutils-gui-2.5-22.el7.aarch64.rpm
policycoreutils-newrole-2.5-22.el7.aarch64.rpm
policycoreutils-python-2.5-22.el7.aarch64.rpm
policycoreutils-sandbox-2.5-22.el7.aarch64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
policycoreutils-debuginfo-2.5-22.el7.aarch64.rpm
policycoreutils-restorecond-2.5-22.el7.aarch64.rpm

ppc64le:
policycoreutils-debuginfo-2.5-22.el7.ppc64le.rpm
policycoreutils-restorecond-2.5-22.el7.ppc64le.rpm

s390x:
policycoreutils-debuginfo-2.5-22.el7.s390x.rpm
policycoreutils-restorecond-2.5-22.el7.s390x.rpm

Buildroot (shipped just to git.centos.org):

Source:
policycoreutils-2.5-22.el7.src.rpm

ppc64:
policycoreutils-2.5-22.el7.ppc64.rpm
policycoreutils-debuginfo-2.5-22.el7.ppc64.rpm

ppc64le:
policycoreutils-2.5-22.el7.ppc64le.rpm
policycoreutils-debuginfo-2.5-22.el7.ppc64le.rpm

s390x:
policycoreutils-2.5-22.el7.s390x.rpm
policycoreutils-debuginfo-2.5-22.el7.s390x.rpm

x86_64:
policycoreutils-2.5-22.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm

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

ppc64:
policycoreutils-debuginfo-2.5-22.el7.ppc64.rpm
policycoreutils-restorecond-2.5-22.el7.ppc64.rpm

ppc64le:
policycoreutils-debuginfo-2.5-22.el7.ppc64le.rpm
policycoreutils-restorecond-2.5-22.el7.ppc64le.rpm

s390x:
policycoreutils-debuginfo-2.5-22.el7.s390x.rpm
policycoreutils-restorecond-2.5-22.el7.s390x.rpm

x86_64:
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm
policycoreutils-restorecond-2.5-22.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
policycoreutils-2.5-22.el7.src.rpm

Buildroot (shipped just to git.centos.org):

Source:
policycoreutils-2.5-22.el7.src.rpm

x86_64:
policycoreutils-2.5-22.el7.x86_64.rpm
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm

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

x86_64:
policycoreutils-debuginfo-2.5-22.el7.x86_64.rpm
policycoreutils-restorecond-2.5-22.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-2018-1063
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-US/red_hat_enterprise_linux/7/html/7.5_release_notes/index.html

8. Contact:

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

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