Vulnerability in python-crypto: AES.new Parameter Crash
Summary
DLA-773-3: python-crypto - regression update. Affects python-crypto versions < 2.6-4+deb7u6. Fixed in 2.6-4+deb7u6. How to fix ↓
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Background
python-crypto is a library of cryptographic algorithms and protocols for Python. It provides various functionalities for encryption, decryption, and other cryptographic operations. This vulnerability affects the AES.new function in python-crypto, which is used for creating AES cipher objects. The vulnerability allows an attacker to crash the Python interpreter by providing an invalid parameter to AES.new.
Vulnerability Detail
The vulnerability in python-crypto arises when an invalid parameter is passed to the AES.new function. This can lead to a crash of the Python interpreter, potentially disrupting the execution of the program. The impact of this vulnerability depends on the context in which python-crypto is used. If python-crypto is used in a critical system or application, the crash caused by the vulnerability could result in denial of service or other adverse effects. It is important to note that this vulnerability does not directly lead to unauthorized access or data leakage.
How To Fix
Minimum fixed version
2.6-4+deb7u6
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python-cryptoTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended solution is to upgrade the python-crypto package to the fixed version.
Conclusion
In conclusion, the vulnerability in python-crypto allows an attacker to crash the Python interpreter by providing an invalid parameter to the AES.new function. To mitigate this vulnerability, it is crucial to upgrade the python-crypto package to version 2.6-4+deb7u4 or later. This will ensure the stability and security of the Python programs using python-crypto. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
python-crypto is a library of cryptographic algorithms and protocols for Python. It provides functionalities for encryption, decryption, and other cryptographic operations.
The vulnerability allows an attacker to crash the Python interpreter by providing an invalid parameter to the AES.new function. The impact depends on the context in which python-crypto is used, but it could result in denial of service or other adverse effects.
To fix this vulnerability, it is recommended to upgrade the python-crypto package to version 2.6-4+deb7u4 or later. This can be done by updating the package using the package manager of the operating system.
No, this vulnerability does not directly lead to unauthorized access or data leakage. It primarily causes a crash of the Python interpreter.
For more information about this vulnerability, you can refer to the Debian Security Advisory DLA-773-3.
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