Deserialization of Untrusted Data Affecting org.apache.linkis:linkis-common package, versions [,1.6.0)

org.apache.linkis:linkis-common is a module that builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.

Affected versions of this package are vulnerable to Deserialization of Untrusted Data through the data source management module when adding a Mysql data source. An attacker can inject and execute malicious files on the server by exploiting the deserialization vulnerability via jrmp. This is only exploitable if the attacker has obtained an authorized account from Linkis.

Serialization is a process of converting an object into a sequence of bytes which can be persisted to a disk or database or can be sent through streams. The reverse process of creating object from sequence of bytes is called deserialization. Serialization is commonly used for communication (sharing objects between multiple hosts) and persistence (store the object state in a file or a database). It is an integral part of popular protocols like Remote Method Invocation (RMI), Java Management Extension (JMX), Java Messaging System (JMS), Action Message Format (AMF), Java Server Faces (JSF) ViewState, etc.

Deserialization of untrusted data (CWE-502) is when the application deserializes untrusted data without sufficiently verifying that the resulting data will be valid, thus allowing the attacker to control the state or the flow of the execution.

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