Critical Vulnerability in python-requests-kerberos: Mutual Authentication Flaw
Summary
CVE-2014-8650: python-requests-Kerberos through 0.5 does not handle mutual authentication. Affects python-requests-kerberos versions < 0.5-2. Fixed in 0.5-2. How to fix ↓
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Background
python-requests-kerberos is a Python library that provides Kerberos authentication support for the popular requests library. It allows users to make HTTP requests with Kerberos authentication, which is essential for accessing secure resources in many enterprise environments. The library is widely used due to its simplicity and integration with existing Python applications. However, it has a significant vulnerability that affects its mutual authentication capabilities, potentially exposing sensitive data.
Vulnerability Detail
The vulnerability, identified as CVE-2014-8650, arises from the inability of python-requests-kerberos versions prior to 0.5-2 to handle mutual authentication properly. This flaw can lead to unauthorized access to sensitive information, as attackers may exploit this weakness to intercept or manipulate communications between clients and servers. The vulnerability has a CVSS score of 9.8, indicating a critical level of severity, which highlights the potential impact on confidentiality, integrity, and availability of the affected systems.
How To Fix
Minimum fixed version
0.5-2
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python-requests-kerberosTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading is not immediately possible, consider implementing network-level security measures such as using a VPN or firewall to restrict access to sensitive resources. Additionally, monitor network traffic for any suspicious activity that could indicate exploitation of this vulnerability.
Conclusion
The python-requests-kerberos library has a critical vulnerability that affects its mutual authentication capabilities, posing a significant risk to sensitive data. Users are strongly advised to upgrade to version 0.5-2 or later to mitigate this risk. Additionally, utilizing tools like Vulert can help monitor and alert for open-source vulnerabilities in your software.
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FAQ
CVE-2014-8650 is a vulnerability in the python-requests-kerberos library that prevents proper mutual authentication, potentially allowing unauthorized access to sensitive data.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploitation of this vulnerability can lead to unauthorized access to sensitive information, data breaches, and potential manipulation of communications.
Yes, you can implement network-level security measures such as using a VPN or firewall to restrict access to sensitive resources.
The CVSS score of CVE-2014-8650 is 9.8, indicating a critical level of severity.
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