CVE-2019-16942 – jackson-databind: Serialization gadgets in org.apache.commons.dbcp.datasources.*

https://notcve.org/view.php?id=CVE-2019-16942

01 Oct 2019 — A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the commons-dbcp (1.4) jar in the classpath, and an attacker can find an RMI service endpoint to access, it is possible to make the service execute a malicious payload. This issue exists because of org.apache.commons.dbcp.datasources.SharedPoolDataSource and org.apache.commons.dbcp... • https://access.redhat.com/errata/RHSA-2019:3901 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-502: Deserialization of Untrusted Data •