Security Update for python3.7
Summary
DLA-3614-1: python3.7 - security update. Affects python3.7 versions < 3.7.3-2+deb10u6. Fixed in 3.7.3-2+deb10u6. How to fix ↓
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Background
Python 3.7 is an open-source programming language widely used for various applications. It provides a rich set of libraries and frameworks for developing software. However, several vulnerabilities have been discovered in Python 3.7, which could potentially compromise the security and stability of systems using this version.
Vulnerability Detail
The following vulnerabilities have been identified in Python 3.7:
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Use-after-free in heappushpop function: This vulnerability (CVE-2022-48560) allows an attacker to exploit a use-after-free problem in the heappushpop function of the heapq module.
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Denial-of-Service in read_ints function: CVE-2022-48564 exposes a potential denial-of-service vulnerability in the read_ints function used for processing certain malformed Apple Property List files in binary format.
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XML External Entity (XXE) issue in plistlib module: CVE-2022-48565 highlights an XML External Entity (XXE) issue in the plistlib module, which no longer accepts entity declarations in XML plist files to prevent possible vulnerabilities.
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Constant-time-defeating compiler optimizations in hmac.compare_digest: CVE-2022-48566 reveals possible constant-time-defeating compiler optimizations in the accumulator variable of hmac.compare_digest.
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Bypassing TLS handshake protections in ssl.SSLSocket class: CVE-2023-40217 indicates that certain protections implemented by the TLS handshake in the ssl.SSLSocket class can be bypassed, potentially allowing unauthenticated data to be read by a program expecting authenticated data by client certificates.
How To Fix
Minimum fixed version
3.7.3-2+deb10u6
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python3.7Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No specific workarounds have been mentioned for these vulnerabilities. It is advised to apply the recommended fix by upgrading the python3.7 package to the latest version.
Conclusion
In conclusion, Python 3.7 is affected by multiple vulnerabilities that can have serious security implications. It is crucial to upgrade the python3.7 package to the latest version (3.7.3-2+deb10u6) to mitigate these vulnerabilities and ensure the security of Python 3.7 installations. For further support and assistance in vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for python3.7 →
FAQ
Python 3.7 is a popular open-source programming language known for its simplicity and versatility. It offers a wide range of libraries and frameworks for various applications.
These vulnerabilities can lead to various security issues, including potential denial-of-service attacks, information disclosure, and bypassing of TLS handshake protections.
To fix these vulnerabilities, it is recommended to upgrade the python3.7 package to version 3.7.3-2+deb10u6, which includes the necessary security patches.
No specific workarounds have been mentioned for these vulnerabilities. It is best to apply the recommended fix by upgrading the python3.7 package.
You can find more information about these vulnerabilities in the detailed security status of python3.7 on its security tracker page: https://security-tracker.debian.org/tracker/python3.7
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