CVE-2023-24620

Medium

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductEsotericsoftware Yamlbeans
PublishedAug 25, 2023
First seenAug 25, 2023

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
esotericsoftware yamlbeansv ≤ 1.15—
com.esotericsoftware.yamlbeans:yamlbeansMavenv ≤ 1.15—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.