Finding YAML Deserialization with Snyk Code

This vulnerability allows for Remote Code Execution (RCE) through YAML deserialization, which can lead to arbitrary command execution and potentially allow for total system takeover in systems utilizing the geokit-rails plugin. This issue was discovered in version 2.3.2 of the geokit-rails gem, which uses an unsafe YAML.load() method to deserialize data from Ruby on Rails cookies. An attacker can exploit this vulnerability by crafting a malicious HTTP request with a specially crafted YAML payload that is deserialized and executed, allowing for RCE. The issue was responsibly disclosed to the maintainer of geokit-rails and fixed in version 2.5.0. Snyk Code's rules have also been improved to detect YAML injection vulnerabilities.

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