RHEL 8 : Red Hat OpenStack Platform 16.2 (etcd) (RHSA-2021:3487)

high Nessus Plugin ID 165146


The remote Red Hat host is missing one or more security updates for Red Hat OpenStack Platform 16.2 (etcd).


The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:3487 advisory.

A highly-available key value store for shared configuration

Security Fix(es):

* net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525)

* golang: net: lookup functions may return invalid host names (CVE-2021-33195)

* golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)

* golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)

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


Update the RHEL Red Hat OpenStack Platform 16.2 (etcd) package based on the guidance in RHSA-2021:3487.

See Also








Plugin Details

Severity: High

ID: 165146

File Name: redhat-RHSA-2021-3487.nasl

Version: 1.7

Type: local

Agent: unix

Published: 9/15/2022

Updated: 6/3/2024

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

Risk Information


Risk Factor: Medium

Score: 4.4


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-2021-33195


Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

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

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

Vulnerability Information

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

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: 9/15/2021

Vulnerability Publication Date: 5/27/2021

Reference Information

CVE: CVE-2021-31525, CVE-2021-33195, CVE-2021-33197, CVE-2021-33198

CWE: 120, 20, 400

RHSA: 2021:3487