Critical Memcache Encryption Bypass in python-keystoneclient
Summary
CVE-2013-2166: python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass. Affects python-keystoneclient versions < 1:0.2.5-2. Fixed in 1:0.2.5-2. How to fix ↓
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Background
python-keystoneclient is a client library for interacting with the OpenStack Keystone API, which provides identity services for cloud computing. This library allows users to authenticate and manage users and projects within OpenStack. The vulnerability in question affects versions 0.2.3 to 0.2.5, where the middleware fails to properly encrypt sensitive data stored in memcache, potentially exposing it to unauthorized access.
Vulnerability Detail
The vulnerability, identified as CVE-2013-2166, arises from a flaw in the memcache middleware of python-keystoneclient versions 0.2.3 to 0.2.5. This flaw allows attackers to bypass encryption mechanisms, leading to the exposure of sensitive information stored in memcache. The implications of this vulnerability are severe, as it could allow unauthorized users to access confidential data, compromising the integrity and confidentiality of the system. The CVSS score for this vulnerability is 9.8, indicating a critical level of risk.
How To Fix
Minimum fixed version
1:0.2.5-2
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python-keystoneclientTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can disable the use of memcache for sensitive data until the upgrade is completed. This can be done by modifying the configuration file to bypass memcache usage, although this is not a long-term solution.
Conclusion
In summary, CVE-2013-2166 is a critical vulnerability in python-keystoneclient that allows for the bypass of encryption in memcache, posing significant risks to data security. Users are strongly advised to upgrade to the latest version to mitigate these risks.
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FAQ
CVE-2013-2166 is a vulnerability in the python-keystoneclient that allows for memcache encryption bypass, potentially exposing sensitive data.
Versions 0.2.3 to 0.2.5 of python-keystoneclient are affected by this vulnerability.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
The vulnerability can lead to unauthorized access to sensitive information stored in memcache, compromising data integrity and confidentiality.
The recommended action is to upgrade to python-keystoneclient version 1:0.2.5-2 or later to ensure that the vulnerability is patched.
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