Amazon Linux 2 : snakeyaml (ALAS-2023-1976)

high Nessus Plugin ID 172143

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Synopsis

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

Description

The version of snakeyaml installed on the remote host is prior to 1.11-8. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-1976 advisory.

- The package org.yaml:snakeyaml from 0 and before 1.31 are vulnerable to Denial of Service (DoS) due missing to nested depth limitation for collections. (CVE-2022-25857)

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 snakeyaml' to update your system.

Plugin Details

Severity: High

ID: 172143

File Name: al2_ALAS-2023-1976.nasl

Version: 1.1

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 3/6/2023

Updated: 8/31/2023

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: High

Base Score: 7.8

Temporal Score: 6.4

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

CVSS Score Source: CVE-2022-25857

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:snakeyaml, p-cpe:/a:amazon:linux:snakeyaml-javadoc

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: 3/2/2023

Vulnerability Publication Date: 8/30/2022

Reference Information

CVE: CVE-2022-25857

Detections

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