Amazon Linux 2 : lua53 (ALAS-2020-1492)

medium Nessus Plugin ID 140634

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2020-1492 advisory.

- ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31). (CVE-2020-24370)

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 lua53' to update your system.

Plugin Details

Severity: Medium

ID: 140634

File Name: al2_ALAS-2020-1492.nasl

Version: 1.2

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 9/17/2020

Updated: 2/20/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-24370

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:lua53-libs, p-cpe:/a:amazon:linux:lua53-debuginfo, p-cpe:/a:amazon:linux:lua53-static, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:lua53-devel, p-cpe:/a:amazon:linux:lua53

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/15/2020

Vulnerability Publication Date: 8/17/2020

Reference Information

CVE: CVE-2020-24370

ALAS: 2020-1492

Detections

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