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CVE-2018-19276 is an insecure object deserialization vulnerability in OpenMRS before version 2.24.0. The flaw allows an unauthenticated attacker to submit crafted XML serialized data in an HTTP request body and trigger unsafe deserialization on the server. Successful exploitation can result in arbitrary command execution on the underlying system, making the issue a remote code execution vulnerability reachable without authentication.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit module (openmrs_deserialization.rb) that exploits a Java deserialization vulnerability (CVE-2018-19276) in the OpenMRS medical record system's REST API. The exploit targets the '/ws/rest/v1/concept' endpoint, sending a malicious XML payload (generated with Marshalsec) to achieve unauthenticated remote code execution. The module is operational and leverages Metasploit's command stager to execute arbitrary shell commands on Linux systems running vulnerable OpenMRS versions. The exploit does not require authentication and is effective against OpenMRS Platform v2.1.2 and v2.21 (and possibly other versions as determined by the check function). The repository is structured as a typical Metasploit module, with the main exploit logic in a single Ruby file and references to an external payload template file.
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