RHEL 8 : Red Hat OpenStack Platform 16.1 (python-eventlet) (RHSA-2021:5071)

medium Nessus Plugin ID 156003

Synopsis

The remote Red Hat host is missing a security update for Red Hat OpenStack Platform 16.1 (python-eventlet).

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:5071 advisory.

Eventlet is a networking library written in Python. It achieves high scalability by using non-blocking io while at the same time retaining high programmer usability by using coroutines to make the non-blocking io operations appear blocking at the source code level.

Security Fix(es):

* improper handling of highly compressed data and memory allocation with excessive size allows DoS (CVE-2021-21419)

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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL Red Hat OpenStack Platform 16.1 (python-eventlet) package based on the guidance in RHSA-2021:5071.

See Also

http://www.nessus.org/u?c763a92b

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

https://access.redhat.com/errata/RHSA-2021:5071

https://bugzilla.redhat.com/show_bug.cgi?id=1958407

Plugin Details

Severity: Medium

ID: 156003

File Name: redhat-RHSA-2021-5071.nasl

Version: 1.8

Type: local

Agent: unix

Published: 12/11/2021

Updated: 6/3/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-21419

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:python-eventlet, p-cpe:/a:redhat:enterprise_linux:python3-eventlet

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: 12/9/2021

Vulnerability Publication Date: 5/6/2021

Reference Information

CVE: CVE-2021-21419

CWE: 400

RHSA: 2021:5071