CVE-2023-24620

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.

Risk Information

Base Score

5.5

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.021

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2023-24621,CVE-2023-24620 are affected in Esotericsoftware - yamlbeans 1.15	Windows
Vulnerabilities CVE-2023-24621,CVE-2023-24620 are affected in Esotericsoftware - yamlbeans for Linux 1.15	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234