Ranjivost programskog paketa polkit

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by ncert - 16. veljače 2016.16. veljače 2016.0

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Red Hat Security Advisory

Synopsis: Moderate: polkit security update
Advisory ID: RHSA-2016:0189-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0189.html
Issue date: 2016-02-16
CVE Names: CVE-2015-3256
=====================================================================

1. Summary:

Updated polkit packages that fix one security issue are now available for
Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Moderate security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link 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) – noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) – noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – noarch, x86_64

3. Description:

PolicyKit is a toolkit for defining and handling authorizations.

A denial of service flaw was found in how polkit handled authorization
requests. A local, unprivileged user could send malicious requests to
polkit, which could then cause the polkit daemon to corrupt its memory and
crash. (CVE-2015-3256)

All polkit users should upgrade to these updated packages, which contain a
backported patch to correct this issue. The system must be rebooted for
this update to take effect.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

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

1245684 – CVE-2015-3256 polkit: Memory corruption via javascript rule evaluation

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
polkit-0.112-6.el7_2.src.rpm

x86_64:
polkit-0.112-6.el7_2.i686.rpm
polkit-0.112-6.el7_2.x86_64.rpm
polkit-debuginfo-0.112-6.el7_2.i686.rpm
polkit-debuginfo-0.112-6.el7_2.x86_64.rpm

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

noarch:
polkit-docs-0.112-6.el7_2.noarch.rpm

x86_64:
polkit-debuginfo-0.112-6.el7_2.i686.rpm
polkit-debuginfo-0.112-6.el7_2.x86_64.rpm
polkit-devel-0.112-6.el7_2.i686.rpm
polkit-devel-0.112-6.el7_2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
polkit-0.112-6.el7_2.src.rpm

x86_64:
polkit-0.112-6.el7_2.i686.rpm
polkit-0.112-6.el7_2.x86_64.rpm
polkit-debuginfo-0.112-6.el7_2.i686.rpm
polkit-debuginfo-0.112-6.el7_2.x86_64.rpm

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

noarch:
polkit-docs-0.112-6.el7_2.noarch.rpm

x86_64:
polkit-debuginfo-0.112-6.el7_2.i686.rpm
polkit-debuginfo-0.112-6.el7_2.x86_64.rpm
polkit-devel-0.112-6.el7_2.i686.rpm
polkit-devel-0.112-6.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
polkit-0.112-6.el7_2.src.rpm

noarch:
polkit-docs-0.112-6.el7_2.noarch.rpm

ppc64:
polkit-0.112-6.el7_2.ppc.rpm
polkit-0.112-6.el7_2.ppc64.rpm
polkit-debuginfo-0.112-6.el7_2.ppc.rpm
polkit-debuginfo-0.112-6.el7_2.ppc64.rpm
polkit-devel-0.112-6.el7_2.ppc.rpm
polkit-devel-0.112-6.el7_2.ppc64.rpm

ppc64le:
polkit-0.112-6.el7_2.ppc64le.rpm
polkit-debuginfo-0.112-6.el7_2.ppc64le.rpm
polkit-devel-0.112-6.el7_2.ppc64le.rpm

s390x:
polkit-0.112-6.el7_2.s390.rpm
polkit-0.112-6.el7_2.s390x.rpm
polkit-debuginfo-0.112-6.el7_2.s390.rpm
polkit-debuginfo-0.112-6.el7_2.s390x.rpm
polkit-devel-0.112-6.el7_2.s390.rpm
polkit-devel-0.112-6.el7_2.s390x.rpm

x86_64:
polkit-0.112-6.el7_2.i686.rpm
polkit-0.112-6.el7_2.x86_64.rpm
polkit-debuginfo-0.112-6.el7_2.i686.rpm
polkit-debuginfo-0.112-6.el7_2.x86_64.rpm
polkit-devel-0.112-6.el7_2.i686.rpm
polkit-devel-0.112-6.el7_2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
polkit-0.112-6.el7_2.src.rpm

noarch:
polkit-docs-0.112-6.el7_2.noarch.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-2015-3256
https://access.redhat.com/security/updates/classification/#moderate

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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