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RHEL 7 : pacemaker (RHSA-2016:2578)

high Nessus Plugin ID 94541

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

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

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

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.

The following packages have been upgraded to a newer upstream version:
pacemaker (1.1.15). (BZ#1304771)

Security Fix(es) :

* It was found that the connection between a pacemaker cluster and a pacemaker_remote node could be shut down using a new unauthenticated connection. A remote attacker could use this flaw to cause a denial of service. (CVE-2016-7797)

Red Hat would like to thank Alain Moulle (ATOS/BULL) for reporting this issue.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from the References section.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2016:2578

https://access.redhat.com/security/cve/cve-2016-7797

Plugin Details

Severity: High

ID: 94541

File Name: redhat-RHSA-2016-2578.nasl

Version: 2.11

Type: local

Agent: unix

Published: 11/4/2016

Updated: 10/24/2019

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:pacemaker, p-cpe:/a:redhat:enterprise_linux:pacemaker-cli, p-cpe:/a:redhat:enterprise_linux:pacemaker-cluster-libs, p-cpe:/a:redhat:enterprise_linux:pacemaker-cts, p-cpe:/a:redhat:enterprise_linux:pacemaker-debuginfo, p-cpe:/a:redhat:enterprise_linux:pacemaker-doc, p-cpe:/a:redhat:enterprise_linux:pacemaker-libs, p-cpe:/a:redhat:enterprise_linux:pacemaker-libs-devel, p-cpe:/a:redhat:enterprise_linux:pacemaker-nagios-plugins-metadata, p-cpe:/a:redhat:enterprise_linux:pacemaker-remote, cpe:/o:redhat:enterprise_linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2016

Vulnerability Publication Date: 3/24/2017

Reference Information

CVE: CVE-2016-7797

RHSA: 2016:2578