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Amazon Linux AMI : yum (ALAS-2014-315)

medium Nessus Plugin ID 73234

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Synopsis

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

Description

The installUpdates function in yum-cron/yum-cron.py in yum 3.4.3 and earlier does not properly check the return value of the sigCheckPkg function, which allows remote attackers to bypass the RMP package signing restriction via an unsigned package.

Solution

Run 'yum update yum' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2014-315.html

Plugin Details

Severity: Medium

ID: 73234

File Name: ala_ALAS-2014-315.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/28/2014

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Low

Score: 2.7

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:yum, p-cpe:/a:amazon:linux:yum-cron, p-cpe:/a:amazon:linux:yum-cron-daily, p-cpe:/a:amazon:linux:yum-cron-hourly, p-cpe:/a:amazon:linux:yum-cron-security, cpe:/o:amazon:linux

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

Patch Publication Date: 3/24/2014

Reference Information

CVE: CVE-2014-0022

ALAS: 2014-315