Amazon Linux AMI : libwebp (ALAS-2023-1740)

critical Nessus Plugin ID 175094

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Synopsis

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

Description

The version of libwebp installed on the remote host is prior to 0.3.0-10.8. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1740 advisory.

- A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability. (CVE-2020-36330)

- A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability. (CVE-2020-36331)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update libwebp' to update your system.

Plugin Details

Severity: Critical

ID: 175094

File Name: ala_ALAS-2023-1740.nasl

Version: 1.0

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 5/4/2023

Updated: 5/4/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2020-36331

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libwebp-devel, p-cpe:/a:amazon:linux:libwebp-debuginfo, p-cpe:/a:amazon:linux:libwebp, p-cpe:/a:amazon:linux:libwebp-java, p-cpe:/a:amazon:linux:libwebp-tools, cpe:/o:amazon:linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/27/2023

Vulnerability Publication Date: 5/21/2021

Reference Information

CVE: CVE-2020-36330, CVE-2020-36331

Detections

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