Important: snakeyaml

2023-03-0222:35:00

alas.aws.amazon.com

snakeyaml

dos

denial of service

amazon linux 2

update

vulnerability

red hat

mitre

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

8.9

Confidence

High

EPSS

0.002

Percentile

55.6%

JSON

Issue Overview:

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)

Affected Packages:

snakeyaml

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update snakeyaml to update your system.

New Packages:

noarch:  
    snakeyaml-1.11-8.amzn2.0.1.noarch  
    snakeyaml-javadoc-1.11-8.amzn2.0.1.noarch  
  
src:  
    snakeyaml-1.11-8.amzn2.0.1.src

Additional References

Red Hat: CVE-2022-25857

Mitre: CVE-2022-25857

OSVersionArchitecturePackageVersionFilename
Amazon Linux2noarchsnakeyaml< 1.11-8.amzn2.0.1snakeyaml-1.11-8.amzn2.0.1.noarch.rpm
Amazon Linux2noarchsnakeyaml-javadoc< 1.11-8.amzn2.0.1snakeyaml-javadoc-1.11-8.amzn2.0.1.noarch.rpm

OS	Version	Architecture	Package	Version	Filename
Amazon Linux	2	noarch	snakeyaml	< 1.11-8.amzn2.0.1	snakeyaml-1.11-8.amzn2.0.1.noarch.rpm
Amazon Linux	2	noarch	snakeyaml-javadoc	< 1.11-8.amzn2.0.1	snakeyaml-javadoc-1.11-8.amzn2.0.1.noarch.rpm