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RHEL 7 : pacemaker (RHSA-2016:2614)

high Nessus Plugin ID 94604

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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 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.

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).

Bug Fix(es) :

* The version of Pacemaker in Red Hat Enterprise Linux 7.3 incorporated an increase in the version number of the remote node protocol. Consequently, cluster nodes running Pacemaker in Red Hat Enterprise Linux 7.3 and remote nodes running earlier versions of Red Hat Enterprise Linux were not able to communicate with each other unless special precautions were taken. This update preserves the rolling upgrade capability. (BZ#1389023)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2016:2614

https://access.redhat.com/security/cve/cve-2016-7035

Plugin Details

Severity: High

ID: 94604

File Name: redhat-RHSA-2016-2614.nasl

Version: 2.10

Type: local

Agent: unix

Published: 11/7/2016

Updated: 10/24/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

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

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: 9/10/2018

Reference Information

CVE: CVE-2016-7035

RHSA: 2016:2614