CVE-2010-4340: SSL Certificate Verification Bypass in apache-libcloud
Summary
CVE-2010-4340: libcloud before 0.4.1 does not verify SSL certificates for HTTPS connections, which allows remote attackers to spoof certificates and bypass intended access restrictions via a man-in-the-middle (MITM) attack. Affects apache-libcloud versions < 0.4.2. Fixed in 0.4.2. How to fix ↓
Also tracked for
- libcloud · Debian:11
The same CVE-2010-4340 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
The apache-libcloud package is a Python library that provides a unified interface for interacting with different cloud service providers. It allows users to manage and control various cloud resources such as virtual machines, storage, and networking. This vulnerability affects versions of apache-libcloud prior to 0.4.1.
Vulnerability Detail
The vulnerability in apache-libcloud is due to the lack of SSL certificate verification for HTTPS connections. This allows an attacker to perform a man-in-the-middle (MITM) attack and spoof certificates, bypassing intended access restrictions. By intercepting the communication between the client and the server, an attacker can potentially gain unauthorized access to sensitive information or perform malicious actions on the cloud resources.
How To Fix
Minimum fixed version
0.4.2
This is the first release that contains the fix.
pip install --upgrade "apache-libcloud==0.4.2"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can manually verify the SSL certificates for HTTPS connections by implementing custom certificate verification logic in their code. Here is an example of how to verify the SSL certificate using the ssl module in Python:
import ssl
import urllib.request
# Create a custom SSL context
context = ssl.create_default_context()
context.check_hostname = True
context.verify_mode = ssl.CERT_REQUIRED
# Make an HTTPS request with the custom SSL context
response = urllib.request.urlopen('https://example.com', context=context)
# Process the response
# ...
Note that this workaround should only be used as a temporary measure until the package is updated to a secure version.
Conclusion
In conclusion, the CVE-2010-4340 vulnerability in apache-libcloud allows for SSL certificate verification bypass, enabling potential man-in-the-middle attacks. It is crucial to upgrade to apache-libcloud version 0.4.2 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for apache-libcloud →
FAQ
apache-libcloud is a Python library that provides a unified interface for managing and controlling various cloud resources across different cloud service providers.
Versions of apache-libcloud prior to 0.4.1 are affected by this vulnerability.
This vulnerability allows an attacker to perform a man-in-the-middle attack and spoof SSL certificates, potentially gaining unauthorized access to sensitive information or performing malicious actions on cloud resources.
To fix this vulnerability, it is recommended to upgrade to apache-libcloud version 0.4.2 or later.
As a temporary workaround, users can manually verify SSL certificates for HTTPS connections by implementing custom certificate verification logic in their code.
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