Security Advisory WSO2-2016-0141

Published: 31st October 2016

AFFECTED PRODUCTS 

OVERVIEW

Remote Code Execution vulnerability exists during the object de-serialization in Apache Commons Collection 3.2.1.

The Apache Commons Collections library contains various classes in the "functor" package which are serializable and use reflection. This can be exploited for remote code execution attacks by injecting specially crafted objects to applications that de-serialize java objects from untrusted sources.

 IMPACT

If you have an endpoint that accepts serialized Java objects (JMX, RMI, remote EJB, ...) you can combine the two to create arbitrary remote code execution vulnerability. By exploiting the vulnerability, the end user would be able to execute commands on the WSO2 server.

SOLUTION

For WSO2 Update Manager (WUM) Supported Products

Please use WUM to update the following product.

For Other Products

Apply the following patches based on your product version by following the instructions in the README file. If you have any questions, post them to security@wso2.com.

Please download the relevant patches based on the products you use following the matrix below. Patches can also be downloaded from http://wso2.com/security-patch-releases/.