RHCOS 3 : OpenShift Container Platform 3.9 haproxy (RHSA-2019:0547)

high Nessus Plugin ID 311961

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Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 3.9 haproxy.

Description

The remote Red Hat Enterprise Linux CoreOS 3 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2019:0547 advisory.

- haproxy: Out-of-bounds read in dns.c:dns_validate_dns_response() allows for memory disclosure (CVE-2018-20102)

- haproxy: Mishandling of priority flag in short HEADERS frame by HTTP/2 decoder allows for crash (CVE-2018-20615)

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 RHCOS OpenShift Container Platform 3.9 haproxy package based on the guidance in RHSA-2019:0547.

Plugin Details

Severity: High

ID: 311961

File Name: rhcos-RHSA-2019-0547.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/4/2026

Updated: 5/4/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

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-2018-20102

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:haproxy18, cpe:/o:redhat:enterprise_linux:7:coreos, p-cpe:/a:redhat:enterprise_linux:haproxy

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: 3/14/2019

Vulnerability Publication Date: 12/12/2018

Reference Information

CVE: CVE-2018-20102, CVE-2018-20615

CWE: 125

RHSA: 2019:0547

Detections

Analytics