Insecure SSL Server Verification in Apache Qpid Python Client
Summary
CVE-2013-1909: The Python client in Apache Qpid before 2.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middl... Affects qpid-python versions < 0.22-1. Fixed in 0.22-1. How to fix ↓
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Background
The Apache Qpid Python client is a component of the Apache Qpid messaging system. It provides a Python interface for interacting with Qpid brokers. The Qpid messaging system is designed to facilitate messaging between applications using different programming languages and platforms. The Python client allows Python applications to communicate with Qpid brokers.
The vulnerability identified as CVE-2013-1909 affects the Python client in Apache Qpid versions prior to 2.2. It involves the lack of verification of the server hostname against the domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate. This flaw allows attackers to perform man-in-the-middle attacks by spoofing SSL servers using a valid certificate.
Vulnerability Detail
The vulnerability in the Apache Qpid Python client arises from the failure to properly validate the server hostname against the domain name in the X.509 certificate. This oversight enables attackers to impersonate SSL servers and intercept communication between clients and servers.
By presenting a valid certificate for a different domain, an attacker can deceive clients into establishing a secure connection with a malicious server. This allows the attacker to intercept sensitive information transmitted over the connection, such as login credentials or confidential data.
The impact of this vulnerability can be significant, as it undermines the trust and security provided by SSL/TLS protocols.
How To Fix
Minimum fixed version
0.22-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade qpid-pythonTip — 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 apply the fix by upgrading to the latest version of the Apache Qpid Python client.
Conclusion
The vulnerability identified as CVE-2013-1909 in the Apache Qpid Python client exposes users to the risk of man-in-the-middle attacks. To mitigate this risk, it is crucial to upgrade to version 2.2 or later of the Apache Qpid Python client. This update includes the necessary validation checks to ensure the server hostname matches the domain name in the X.509 certificate. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Apache Qpid is a messaging system that facilitates communication between applications using different programming languages and platforms. It provides reliable and scalable messaging capabilities.
The Apache Qpid Python client is a component of the Apache Qpid messaging system. It allows Python applications to interact with Qpid brokers.
SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are cryptographic protocols that provide secure communication over a network. They ensure the confidentiality and integrity of data transmitted between clients and servers.
A man-in-the-middle attack is a type of cyber attack where an attacker intercepts communication between two parties without their knowledge. The attacker can eavesdrop on the communication or modify the data exchanged between the parties.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, including this one in the Apache Qpid Python client.
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