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Amazon Linux AMI : ruby21 (ALAS-2014-439)

medium Nessus Plugin ID 78872

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Synopsis

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

Description

The REXML parser in Ruby 1.9.x before 1.9.3-p550, 2.0.x before 2.0.0-p594, and 2.1.x before 2.1.4 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document, aka an XML Entity Expansion (XEE) attack.

Solution

Run 'yum update ruby21' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2014-439.html

Plugin Details

Severity: Medium

ID: 78872

File Name: ala_ALAS-2014-439.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/6/2014

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:ruby21, p-cpe:/a:amazon:linux:ruby21-devel, p-cpe:/a:amazon:linux:ruby21-doc, p-cpe:/a:amazon:linux:rubygem21-psych, p-cpe:/a:amazon:linux:rubygems21, p-cpe:/a:amazon:linux:ruby21-libs, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:ruby21-irb, p-cpe:/a:amazon:linux:rubygem21-bigdecimal, p-cpe:/a:amazon:linux:rubygem21-io-console, p-cpe:/a:amazon:linux:rubygems21-devel, p-cpe:/a:amazon:linux:ruby21-debuginfo

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

Patch Publication Date: 11/5/2014

Reference Information

CVE: CVE-2014-8080

ALAS: 2014-439