CVE-2021-4235

Published Dec 27, 2022

Last updated a year ago

CVSS medium 5.5

Overview

Description: Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.
Source: security@golang.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:go:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6ADB4662-19BA-4FB2-88FB-0D8309DE5DB0",
            "versionEndExcluding": "2.2.3"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References