CVE-2023-38647

CVSS 3.1 Score 9.8 of 10 (high)

Details

Published Jul 26, 2023
Updated: Aug 3, 2023
CWE ID 502

Summary

CVE-2023-38647 is a critical vulnerability that affects all versions lower than and including 1.2.0 of the helix-core and helix-rest products. This vulnerability allows an attacker to exploit the SnakeYAML library to deserialize java.net.URLClassLoader, loading a JAR from a specified URL, and then deserialize javax.script.ScriptEngineManager to load malicious code using that ClassLoader. This unbounded deserialization can potentially lead to remote code execution. To mitigate this vulnerability in the short term, it is recommended to stop using YAML-based configuration and workflow creation. In the long term, upgrading all Helix versions to 1.3.0 or higher is advised. The National Vulnerability Database (NVD) gives this vulnerability a base severity rating of CRITICAL with a CVSS score of 9.8 out of 10, highlighting its significant impact on confidentiality, integrity, and availability.

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