NetSight
medium5.5

CVE-2023-24620

Esoteric YamlBeans XML Entity Expansion vulnerability

Impact

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.

Affected packages

EcosystemPackageAffectedFixed in
mavencom.esotericsoftware.yamlbeans:yamlbeans<= 1.15none recorded

Affected products

VendorProductAffected versions
EsotericsoftwareYamlbeans
through 1.15

Weakness classification

References