Sigurnosni nedostaci programskog paketa pacemaker

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Red Hat Security Advisory

Synopsis: Important: pacemaker security update
Advisory ID: RHSA-2016:2675-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2675.html
Issue date: 2016-11-08
CVE Names: CVE-2016-7035
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1. Summary:

An update for pacemaker is now available for Red Hat Enterprise Linux 6.

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 High Availability (v. 6) – i386, x86_64
Red Hat Enterprise Linux Resilient Storage (v. 6) – i386, x86_64

3. Description:

The Pacemaker cluster resource manager is a collection of technologies
working together to provide data integrity and the ability to maintain
application availability in the event of a failure.

Security Fix(es):

* An authorization flaw was found in Pacemaker, where it did not properly
guard its IPC interface. An attacker with an unprivileged account on a
Pacemaker node could use this flaw to, for example, force the Local
Resource Manager daemon to execute a script as root and thereby gain root
access on the machine. (CVE-2016-7035)

This issue was discovered by Jan “poki” Pokorny (Red Hat) and Alain Moulle
(ATOS/BULL).

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/):

1369732 – CVE-2016-7035 pacemaker: Privilege escalation due to improper guarding of IPC communication

6. Package List:

Red Hat Enterprise Linux High Availability (v. 6):

Source:
pacemaker-1.1.14-8.el6_8.2.src.rpm

i386:
pacemaker-1.1.14-8.el6_8.2.i686.rpm
pacemaker-cli-1.1.14-8.el6_8.2.i686.rpm
pacemaker-cluster-libs-1.1.14-8.el6_8.2.i686.rpm
pacemaker-cts-1.1.14-8.el6_8.2.i686.rpm
pacemaker-debuginfo-1.1.14-8.el6_8.2.i686.rpm
pacemaker-doc-1.1.14-8.el6_8.2.i686.rpm
pacemaker-libs-1.1.14-8.el6_8.2.i686.rpm
pacemaker-libs-devel-1.1.14-8.el6_8.2.i686.rpm
pacemaker-remote-1.1.14-8.el6_8.2.i686.rpm

x86_64:
pacemaker-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-cli-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-cluster-libs-1.1.14-8.el6_8.2.i686.rpm
pacemaker-cluster-libs-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-cts-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-debuginfo-1.1.14-8.el6_8.2.i686.rpm
pacemaker-debuginfo-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-doc-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-libs-1.1.14-8.el6_8.2.i686.rpm
pacemaker-libs-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-libs-devel-1.1.14-8.el6_8.2.i686.rpm
pacemaker-libs-devel-1.1.14-8.el6_8.2.x86_64.rpm
pacemaker-remote-1.1.14-8.el6_8.2.x86_64.rpm

Red Hat Enterprise Linux Resilient Storage (v. 6):

Source:
pacemaker-1.1.14-8.el6_8.2.src.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-2016-7035
https://access.redhat.com/security/updates/classification/#important

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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