Deserialization of Untrusted Data Affecting org.graalvm.sdk:graal-sdk Open this link in a new tab package, versions [,20.3.5) [21.0.0,21.3.1)
Do your applications use this vulnerable package?
19 Jan 2022
18 Jan 2022
How to fix?
org.graalvm.sdk:graal-sdk to version 20.3.5, 21.3.1 or higher.
Affected versions of this package are vulnerable to Deserialization of Untrusted Data the
ObjectInputStream class implementation in the
Serialization component did not check superclasses against the deserialization filter (defined via
jdk.serialFilter system or security property) in cases when those classes were available locally and not included in the serialized stream. A specially-crafted serialized stream could possibly use this flaw to bypass class deserialization restrictions.
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.