OpenMRS Java Deserialization Remote Code Execution
Posted by deepcore on December 18, 2019 – 8:03 pm
OpenMRS is an open-source platform that supplies users with a customizable medical record system. There exists an object deserialization vulnerability in the webservices.rest module used in OpenMRS Platform. Unauthenticated remote code execution can be achieved by sending a malicious XML payload to a Rest API endpoint such as /ws/rest/v1/concept. This Metasploit module uses an XML payload generated with Marshalsec that targets the ImageIO component of the XStream library. Tested on OpenMRS Platform v2.1.2 and v2.21 with Java 8 and Java 9.
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