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CVE-2022-1471

Published: 1 December 2022

SnakeYaml's Constructor() class does not restrict types which can be instantiated during deserialization. Deserializing yaml content provided by an attacker can lead to remote code execution. We recommend using SnakeYaml's SafeConsturctor when parsing untrusted content to restrict deserialization. We recommend upgrading to version 2.0 and beyond.

Notes

AuthorNote
eslerm
upstream bug report declares this a documentation issue

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
snakeyaml
Launchpad, Ubuntu, Debian
lunar Ignored
(end of life, was needs-triage)
bionic Needs triage

trusty Needs triage

focal Needs triage

jammy Needs triage

xenial Needs triage

kinetic Ignored
(end of life, was needs-triage)
upstream Needs triage

mantic Needs triage

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H