CVE-2013-2167: python-keystoneclient memcache signing bypass
Summary
CVE-2013-2167: python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache signing bypass. Affects python-keystoneclient versions >= 0.2.3, < 0.3.0. Fixed in 0.3.0. How to fix ↓
Also tracked for
- python-keystoneclient · Debian:11
The same CVE-2013-2167 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
python-keystoneclient is a Python library that provides a client API for the OpenStack Keystone authentication service. It is commonly used in OpenStack deployments to interact with the Keystone service. The library allows users to authenticate and obtain tokens for accessing other OpenStack services. This vulnerability affects python-keystoneclient versions 0.2.3 to 0.2.5.
Vulnerability Detail
The vulnerability in python-keystoneclient version 0.2.3 to 0.2.5 allows for a middleware memcache signing bypass. This means that an attacker can bypass the signature verification of cached tokens, potentially leading to unauthorized access to OpenStack services. The issue originates from a flaw in the token signing mechanism, which fails to properly validate the signature when retrieving tokens from the memcache. Exploiting this vulnerability could result in unauthorized access to sensitive resources and data within an OpenStack deployment.
How To Fix
Minimum fixed version
0.3.0
This is the first release that contains the fix.
pip install --upgrade "python-keystoneclient==0.3.0"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The python-keystoneclient library versions 0.2.3 to 0.2.5 are vulnerable to a middleware memcache signing bypass. This could allow an attacker to bypass token signature verification and gain unauthorized access to OpenStack services. It is crucial to upgrade to python-keystoneclient version 0.3.0 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
python-keystoneclient is a Python library used for interacting with the OpenStack Keystone authentication service. It provides an API for authentication and token management in OpenStack deployments.
Versions 0.2.3 to 0.2.5 of python-keystoneclient are affected by this vulnerability.
This vulnerability allows for a middleware memcache signing bypass, potentially leading to unauthorized access to OpenStack services and sensitive data.
To fix this vulnerability, upgrade python-keystoneclient to version 0.3.0 or later using the 'pip install --upgrade python-keystoneclient' command.
No specific workaround has been provided for this vulnerability. It is recommended to upgrade to the fixed version of python-keystoneclient.
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