jackson-databind: Serialization gadgets in org.apache.log4j.receivers.db.*

A flaw was discovered in FasterXML jackson-databind, where it would permit polymorphic deserialization of malicious objects using the log4j-extra gadget when used in conjunction with polymorphic type handling methods such as enableDefaultTyping or when @JsonTypeInfo is using Id.CLASS or...

UBUNTU-CVE-2019-17531

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 apache-log4j-extra version 1.2.x jar in the classpath, and an...