Critical Vulnerability in Python-Numpy: Remote Code Execution Risk
Summary
UBUNTU-CVE-2019-6446: DISPUTED An issue was discovered in NumPy 1.16.0 and earlier. Affects python-numpy versions 1:1.10.4-2ubuntu2 – 1:1.8.2-1ubuntu3. No fix is published. How to fix ↓
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Background
Python-Numpy is a widely used library for numerical computations in Python, providing support for large, multi-dimensional arrays and matrices, along with a collection of mathematical functions to operate on these arrays. It is essential for scientific computing and data analysis. However, versions 1.16.0 and earlier have been found to be vulnerable to a security issue that allows remote attackers to execute arbitrary code through unsafe use of the pickle module.
Vulnerability Detail
The vulnerability arises from the unsafe handling of the pickle Python module in NumPy versions 1.16.0 and earlier. This flaw enables remote attackers to execute arbitrary code by crafting a malicious serialized object, particularly through the numpy.load function. The potential ramifications include unauthorized access to system resources, data corruption, and complete system compromise. This issue is disputed by some third parties, who argue that the behavior may have legitimate applications when loading serialized Python object arrays from trusted sources.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, avoid using the numpy.load function with untrusted serialized objects. If you must load serialized data, ensure that the source is trusted and authenticated to minimize risk.
Conclusion
In summary, the vulnerability in Python-Numpy poses a significant risk due to its potential for remote code execution. It is essential to update to a patched version of the library and implement best practices for handling serialized objects to safeguard your applications.
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FAQ
The CVSS score of this vulnerability is 9.8, indicating a critical level of risk.
Versions 1.16.0 and earlier of Python-Numpy are affected by this vulnerability.
If left unaddressed, this vulnerability can allow remote attackers to execute arbitrary code, potentially leading to data breaches or system compromise.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
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References
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