CVE-2023-24620
Last modified
CVE-2023-24620 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Esotericsoftware | Yamlbeans | <= 1.15 |
References
- https://contrastsecurity.comThird Party Advisory
- https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.mdExploit, Third Party Advisory
- https://github.com/EsotericSoftwareThird Party Advisory
- https://contrastsecurity.comThird Party Advisory
- https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.mdExploit, Third Party Advisory
- https://github.com/EsotericSoftwareThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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