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RHEL 7 : cloud-init (RHSA-2019:0597)

medium Nessus Plugin ID 122939

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Synopsis

The remote Red Hat host is missing a security update.

Description

An update for cloud-init is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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: extra ssh keys added to authorized_keys on the Azure platform (CVE-2019-0816)

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.

Solution

Update the affected cloud-init package.

See Also

https://support.microsoft.com/en-us/help/4491476/

https://access.redhat.com/errata/RHSA-2019:0597

https://access.redhat.com/security/cve/cve-2019-0816

Plugin Details

Severity: Medium

ID: 122939

File Name: redhat-RHSA-2019-0597.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/19/2019

Updated: 2/5/2020

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

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

CVSS v3

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 4.5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:cloud-init, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.6

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: 3/18/2019

Vulnerability Publication Date: 4/9/2019

Reference Information

CVE: CVE-2019-0816

RHSA: 2019:0597