RHEL 7 / 8 : OpenShift Container Platform 4.4.3 haproxy (RHSA-2020:1936)

critical Nessus Plugin ID 136319

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 / 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:1936 advisory.

- haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated chunked value (CVE-2019-18277)

- haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks (CVE-2019-19330)

- haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes (CVE-2020-11100)

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 affected haproxy20 package.

See Also

https://access.redhat.com/security/cve/CVE-2019-18277

https://access.redhat.com/security/cve/CVE-2019-19330

https://access.redhat.com/security/cve/CVE-2020-11100

https://access.redhat.com/errata/RHSA-2020:1936

https://bugzilla.redhat.com/1759697

https://bugzilla.redhat.com/1777584

https://bugzilla.redhat.com/1819111

Plugin Details

Severity: Critical

ID: 136319

File Name: redhat-RHSA-2020-1936.nasl

Version: 1.9

Type: local

Agent: unix

Published: 5/5/2020

Updated: 1/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2019-19330

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:haproxy20

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/4/2020

Vulnerability Publication Date: 10/23/2019

Reference Information

CVE: CVE-2019-18277, CVE-2019-19330, CVE-2020-11100

CWE: 20, 444, 787

RHSA: 2020:1936