Critical Error Handling Vulnerability in Python Bottle Package
Summary
CVE-2022-31799: Bottle before 0.12.20 mishandles errors during early request binding. Affects python-bottle across 3 version ranges.
< 0.12.19-1+deb11u1
< a2b0ee6bb4ce88895429ec4aca856616244c4c4c
< e140e1b54da721a660f2eb9d58a106b7b3ff2f00
Fixed in 0.12.19-1+deb11u1. How to fix ↓
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Background
Python Bottle is a lightweight WSGI micro web framework for Python, designed for building small web applications quickly and easily. It is known for its simplicity and minimalism, making it a popular choice among developers. However, prior to version 0.12.20, Bottle mishandled errors during early request binding, which could lead to significant security issues.
Vulnerability Detail
The vulnerability, identified as CVE-2022-31799, arises from improper error handling in the Bottle framework during the early stages of request processing. This flaw can potentially allow attackers to exploit the application by causing unexpected behavior, leading to information disclosure or denial of service. The vulnerability has a CVSS score of 9.8, indicating a critical severity level, and affects multiple Debian versions of the Python Bottle package.
How To Fix
Minimum fixed version
0.12.19-1+deb11u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python-bottleTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If an immediate upgrade is not feasible, consider implementing input validation and error handling in your application to mitigate potential exploitation. However, this is not a substitute for upgrading the package.
Conclusion
CVE-2022-31799 represents a critical vulnerability in the Python Bottle package, affecting its error handling during request processing. Upgrading to a secure version is crucial to protect applications from potential exploitation. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
See every vulnerability recorded for python-bottle →
FAQ
CVE-2022-31799 is a vulnerability in the Python Bottle package that involves improper error handling during early request binding, potentially leading to security risks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Simply upload your manifest file like package-lock.json to check for vulnerabilities.
The CVSS score for CVE-2022-31799 is 9.8, indicating a critical severity level.
Versions of Python Bottle before 0.12.20 are affected, specifically 0.12.19 and earlier versions.
While upgrading is the best solution, you can implement additional error handling and input validation in your application as a temporary workaround.
References
Related vulnerabilities
Recent vulnerabilities recorded for python-bottle.
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