RHEL 8 : haproxy (RHSA-2020:1725)

critical Nessus Plugin ID 136052

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:1725 advisory.

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.

The following packages have been upgraded to a later upstream version: haproxy (1.8.23). (BZ#1774745)

Security Fix(es):

* 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)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes linked from the References section.

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 affected haproxy package.

Plugin Details

Severity: Critical

ID: 136052

File Name: redhat-RHSA-2020-1725.nasl

Version: 1.11

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/28/2020

Updated: 11/7/2024

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

Vendor

Vendor Severity: Moderate

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:8, p-cpe:/a:redhat:enterprise_linux:haproxy

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: 4/28/2020

Vulnerability Publication Date: 10/23/2019

Reference Information

CVE: CVE-2019-18277, CVE-2019-19330

CWE: 20, 444

RHSA: 2020:1725

Detections

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