CVE-2012-3446: Apache Libcloud SSL Server Spoofing
Summary
CVE-2012-3446: Apache Libcloud before 0.11.1 uses an incorrect regular expression during verification of whether the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certifica... Affects apache-libcloud versions < 0.11.1. Fixed in 0.11.1. How to fix ↓
Also tracked for
- libcloud · Debian:11
The same CVE-2012-3446 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
Apache Libcloud is an open-source Python library that provides a unified interface for interacting with different cloud service providers. It allows developers to manage various cloud resources such as virtual machines, storage, and load balancers. This vulnerability affects versions of Apache Libcloud prior to 0.11.1. The library uses an incorrect regular expression when verifying if the server hostname matches the domain name in the X.509 certificate. This flaw enables man-in-the-middle attackers to spoof SSL servers by crafting a malicious certificate.
Vulnerability Detail
The vulnerability in Apache Libcloud arises from the incorrect regular expression used for hostname verification in SSL connections. This flaw allows attackers to create fraudulent SSL certificates that appear valid to the library. By intercepting the communication between the client and the server, an attacker can impersonate the server and potentially gain unauthorized access to sensitive information or perform other malicious actions. This vulnerability poses a significant risk to applications utilizing Apache Libcloud for cloud resource management.
How To Fix
Latest published version: 3.9.1 as of 23 Oct 2026
pip install --upgrade "apache-libcloud==3.9.1"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.11.1
This is the first release that contains the fix.
pip install --upgrade "apache-libcloud==0.11.1"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is recommended to update to the latest version of Apache Libcloud as soon as possible.
Conclusion
The SSL server spoofing vulnerability in Apache Libcloud prior to version 0.11.1 can be exploited by attackers to impersonate SSL servers and potentially gain unauthorized access to sensitive information. It is crucial to update to the latest version of Apache Libcloud to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for apache-libcloud →
FAQ
Apache Libcloud is a Python library that provides a consistent interface for managing various cloud resources across different cloud service providers.
This vulnerability allows attackers to spoof SSL servers, potentially leading to unauthorized access to sensitive information or other malicious activities.
To fix this vulnerability, update your Apache Libcloud installation to version 0.11.1 or later.
No, there are no known workarounds for this vulnerability. Updating to the latest version is the recommended solution.
You can find more information about this vulnerability in the Apache Libcloud advisory database: https://github.com/pypa/advisory-database/blob/main/vulns/apache-libcloud/PYSEC-2012-12.yaml
References
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