Critical SSRF Vulnerability in Python Packages - USN-7280-2
Summary
USN-7280-2: python vulnerability. Affects python2.7 versions < 2.7.6-8ubuntu0.6+esm25. Fixed in 2.7.6-8ubuntu0.6+esm25. How to fix ↓
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Background
Python is a widely-used high-level programming language known for its readability and versatility. It supports multiple programming paradigms and is commonly used for web development, data analysis, artificial intelligence, and more. The vulnerability identified in USN-7280-2 affects various Python packages across multiple Ubuntu releases, potentially exposing applications to security risks.
Vulnerability Detail
The vulnerability arises from improper handling of domain name parsing that includes square brackets. This flaw can be exploited by a remote attacker to conduct Server-Side Request Forgery (SSRF) attacks, which may allow unauthorized access to internal services or sensitive data.
How To Fix
Minimum fixed version
2.7.6-8ubuntu0.6+esm25
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python2.7Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, consider implementing network access controls to limit the ability of applications to make requests to internal services. This can help mitigate the risk of SSRF attacks until the packages are updated.
Conclusion
The vulnerability detailed in USN-7280-2 poses a significant risk to applications using affected Python packages. It is crucial for users to update their packages to the patched versions to mitigate the risk of SSRF attacks. Implementing network access controls can serve as a temporary measure until updates are applied.
See every vulnerability recorded for python2.7 →
FAQ
Server-Side Request Forgery (SSRF) is a type of attack where an attacker can make requests from a vulnerable server to internal or external resources, potentially exposing sensitive information.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Simply upload your manifest file like package-lock.json to check for vulnerabilities.
Failure to address this vulnerability may lead to unauthorized access to sensitive data, internal services being compromised, and potential data breaches.
Yes, you can use package management tools like apt or pip to automate updates for your Python packages, ensuring you always have the latest security patches.
Detailed information about this vulnerability can be found in the official Ubuntu Security Notices, specifically USN-7280-2.
References
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