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Amazon Linux AMI : aws-cfn-bootstrap (ALAS-2017-861)

high Nessus Plugin ID 101959

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

A vulnerability was reported in the CloudFormation bootstrap tools that allows an attacker to execute arbitrary code as root if they have local access to the system and are able to create files in a specific directory (CVE-2017-9450 )

Solution

Run 'yum update aws-cfn-bootstrap' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-861.html

Plugin Details

Severity: High

ID: 101959

File Name: ala_ALAS-2017-861.nasl

Version: 3.4

Type: local

Agent: unix

Published: 7/26/2017

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

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

CVSS v3

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:aws-cfn-bootstrap, cpe:/o:amazon:linux

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Patch Publication Date: 7/25/2017

Reference Information

CVE: CVE-2017-9450

ALAS: 2017-861