CVE-2023-24620

Published Aug 25, 2023

Last updated 3 months ago

CVSS medium 5.5

Overview

Description: An issue was discovered in Esoteric YamlBeans through 1.15. A crafted YAML document is able perform am XML Entity Expansion attack against YamlBeans YamlReader. By exploiting the Anchor feature in YAML, it is possible to generate a small YAML document that, when read, is expanded to a large size, causing CPU and memory consumption, such as a Java Out-of-Memory exception.
Source: cve@mitre.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: CWE-611

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:esotericsoftware:yamlbeans:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "AA60B6AE-695A-4791-88C5-576BDEEA4FE4",
            "versionEndIncluding": "1.15"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References