RHEL 7 : pcs (RHSA-2018:1060)

high Nessus Plugin ID 108996

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1060 advisory.

The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

Security Fix(es):

* pcs: Privilege escalation via authorized user malicious REST call (CVE-2018-1079)

* pcs: Debug parameter removal bypass, allowing information disclosure (CVE-2018-1086)

* rack-protection: Timing attack in authenticity_token.rb (CVE-2018-1000119)

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.

The CVE-2018-1079 issue was discovered by Ondrej Mular (Red Hat) and the CVE-2018-1086 issue was discovered by Cedric Buissart (Red Hat).

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL pcs package based on the guidance in RHSA-2018:1060.

See Also

https://access.redhat.com/errata/RHSA-2018:1060

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=1557366

http://www.nessus.org/u?8c1f01f5

https://bugzilla.redhat.com/show_bug.cgi?id=1534027

https://bugzilla.redhat.com/show_bug.cgi?id=1550243

Plugin Details

Severity: High

ID: 108996

File Name: redhat-RHSA-2018-1060.nasl

Version: 1.11

Type: local

Agent: unix

Published: 4/11/2018

Updated: 11/7/2024

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

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-1086

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:H/I:N/A:N

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:pcs-snmp, p-cpe:/a:redhat:enterprise_linux:pcs, 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: 4/10/2018

Vulnerability Publication Date: 3/7/2018

Reference Information

CVE: CVE-2018-1000119, CVE-2018-1079, CVE-2018-1086

CWE: 20, 385, 552

RHSA: 2018:1060