RHEL 8 : cloud-init (RHSA-2021:3081)

medium Nessus Plugin ID 152442

Synopsis

The remote Red Hat host is missing a security update for cloud-init.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:3081 advisory.

The cloud-init packages provide a set of init scripts for cloud instances. Cloud instances need special scripts to run during initialization to retrieve and install SSH keys, and to let the user run various scripts.

Security Fix(es):

* cloud-init: randomly generated passwords logged in clear-text to world-readable file (CVE-2021-3429)

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.

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 cloud-init package based on the guidance in RHSA-2021:3081.

See Also

http://www.nessus.org/u?2661fc3c

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

https://access.redhat.com/errata/RHSA-2021:3081

https://bugzilla.redhat.com/show_bug.cgi?id=1940967

Plugin Details

Severity: Medium

ID: 152442

File Name: redhat-RHSA-2021-3081.nasl

Version: 1.11

Type: local

Agent: unix

Published: 8/11/2021

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: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-3429

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:cloud-init

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: 8/10/2021

Vulnerability Publication Date: 3/18/2021

Reference Information

CVE: CVE-2021-3429

CWE: 532

RHSA: 2021:3081