CVE-2023-24621 Esoteric YamlBeans Unsafe Deserialization vulnerability
Attackers can execute arbitrary code by supplying malicious YAML documents to applications using the YamlBeans library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-24621?
CVE-2023-24621 is a high-severity unsafe deserialization vulnerability in n/a, published on 25 Aug 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Esoteric YamlBeans through 1.15. It allows untrusted deserialisation to Java classes by default, where the data and class are controlled by the author of the YAML document being processed.
Weakness: CWE-502
Which versions are affected by CVE-2023-24621?
2 open source packages ship an affected version, including com.esotericsoftware.yamlbeans:yamlbeans. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.esotericsoftware.yamlbeans:yamlbeans Maven | All versions to 1.15 | None |
com.esotericsoftware.yamlbeans:yamlbeans Maven | All versions to 1.15 | None |
Products include Esotericsoftware Yamlbeans.
How do I fix CVE-2023-24621?
No fix has been published for CVE-2023-24621 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-24621 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-24621 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jm7r-4pg6-gf26.