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.
Published: 2023-08-25
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-2362 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.
Github GHSA Github GHSA GHSA-vj49-j7rc-h54f Esoteric YamlBeans XML Entity Expansion vulnerability
History

Wed, 02 Oct 2024 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Esotericsoftware Yamlbeans
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-10-02T18:08:16.309Z

Reserved: 2023-01-30T00:00:00.000Z

Link: CVE-2023-24620

cve-icon Vulnrichment

Updated: 2024-08-02T11:03:19.046Z

cve-icon NVD

Status : Modified

Published: 2023-08-25T20:15:07.893

Modified: 2024-11-21T07:48:14.763

Link: CVE-2023-24620

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses