Ruby on Rails XML Processor YAML Deserialization Code Execution (CVE-2013-0156)
| Check Point Reference: | CPAI-2013-023 | |
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| Source: | Ruby on Rails Project Advisory 57187 | |
| Industry Reference(s): | CVE-2013-0156 |
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| Protection Provided by: |
Security Gateway
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Who is Vulnerable? The Ruby on Rails Project Ruby on Rails 2.3 prior to 2.3.15 The Ruby on Rails Project Ruby on Rails 3.0 prior to 3.0.19 The Ruby on Rails Project Ruby on Rails 3.1 prior to 3.1.10 The Ruby on Rails Project Ruby on Rails 3.2 prior to 3.2.11 |
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| Vulnerability Description A remote code execution vulnerability exists in Ruby on Rails. |
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Vulnerability Details The vulnerability is due to automatically casting values from user-provided YAML and Symbol strings to certain data types without validating the input. The attacker connects to the target server and sends a specially crafted XML request containing an embedded YAML-encoded object to a Rails page. The vulnerability is triggered when the affected program processes the malicious request. Successful exploitation will result in arbitrary code execution within the context of service. |
Protection Overview
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