CVE-2017-16616: PyAnyAPI YAML Parsing Arbitrary Code Execution
Summary
CVE-2017-16616: An exploitable vulnerability exists in the YAML parsing functionality in the YAMLParser method in Interfaces.py in PyAnyAPI before 0.6.1. Affects pyanyapi versions < 0.6.1. Fixed in 0.6.1. How to fix ↓
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Background
PyAnyAPI is a Python package available on PyPI that provides a set of interfaces for working with APIs. It allows users to interact with various APIs using a unified interface. The package is widely used for API integration and automation tasks. However, a vulnerability has been discovered in the YAML parsing functionality of PyAnyAPI, which can lead to arbitrary code execution.
Vulnerability Detail
The vulnerability (CVE-2017-16616) exists in the YAMLParser method in the Interfaces.py file of PyAnyAPI before version 0.6.1. The issue arises due to the incorrect usage of the 'load' function instead of the 'safe_load' function when parsing YAML. This allows an attacker to execute arbitrary Python commands by inserting malicious Python code into loaded YAML. An attacker can exploit this vulnerability by crafting a specially crafted YAML file and tricking a user or application into parsing it. Successful exploitation of this vulnerability can result in unauthorized remote code execution and potential compromise of the affected system.
How To Fix
Latest published version: 0.6.1 as of 23 Oct 2026
pip install --upgrade "pyanyapi==0.6.1"The newest release already contains this fix.
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Conclusion
The vulnerability in PyAnyAPI's YAML parsing functionality can lead to arbitrary code execution. Users are advised to upgrade to version 0.6.1 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
PyAnyAPI is a Python package that provides a set of interfaces for working with APIs. It simplifies API integration and automation tasks by offering a unified interface.
The vulnerability allows an attacker to execute arbitrary Python commands by inserting malicious code into loaded YAML. This can lead to unauthorized remote code execution and potential compromise of the affected system.
To fix this vulnerability, you should upgrade PyAnyAPI to version 0.6.1 or later. This can be done by running 'pip install --upgrade pyanyapi'.
No specific workaround is available for this vulnerability. It is recommended to upgrade to the fixed version of PyAnyAPI.
You can find more information about this vulnerability in the PyAnyAPI advisory database: [link to advisory database]
