Amazon Linux AMI : ruby20 (ALAS-2021-1505)

high Nessus Plugin ID 149862

Synopsis

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

Description

The version of ruby20 installed on the remote host is prior to 2.0.0.648-2.40. It is, therefore, affected by a vulnerability as referenced in the ALAS-2021-1505 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update ruby20' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2021-1505.html

https://access.redhat.com/security/cve/CVE-2021-31799

Plugin Details

Severity: High

ID: 149862

File Name: ala_ALAS-2021-1505.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/24/2021

Updated: 8/30/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

CVSS Score Source: CVE-2021-31799

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:ruby20-libs, p-cpe:/a:amazon:linux:rubygem20-bigdecimal, p-cpe:/a:amazon:linux:rubygem20-psych, p-cpe:/a:amazon:linux:rubygems20, p-cpe:/a:amazon:linux:rubygem20-io-console, p-cpe:/a:amazon:linux:ruby20, p-cpe:/a:amazon:linux:ruby20-debuginfo, p-cpe:/a:amazon:linux:ruby20-irb, p-cpe:/a:amazon:linux:ruby20-doc, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:ruby20-devel, p-cpe:/a:amazon:linux:rubygems20-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/20/2021

Vulnerability Publication Date: 5/20/2021

Reference Information

CVE: CVE-2021-31799

ALAS: 2021-1505