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Amazon Linux AMI : ruby (ALAS-2012-35)

high Nessus Plugin ID 69642

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Synopsis

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

Description

Ruby (aka CRuby) before 1.8.7-p357 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

Solution

Run 'yum update ruby' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2012-35.html

Plugin Details

Severity: High

ID: 69642

File Name: ala_ALAS-2012-35.nasl

Version: 1.5

Type: local

Agent: unix

Published: 9/4/2013

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: High

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:ruby, p-cpe:/a:amazon:linux:ruby-debuginfo, p-cpe:/a:amazon:linux:ruby-devel, p-cpe:/a:amazon:linux:ruby-irb, p-cpe:/a:amazon:linux:ruby-libs, p-cpe:/a:amazon:linux:ruby-rdoc, p-cpe:/a:amazon:linux:ruby-ri, p-cpe:/a:amazon:linux:ruby-static, cpe:/o:amazon:linux

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

Patch Publication Date: 1/19/2012

Reference Information

CVE: CVE-2011-4815

ALAS: 2012-35