CVE-2023-48056: PyPinkSign v0.5.1 AES CBC Mode Static IV Vulnerability
Summary
CVE-2023-48056: PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption. Affects pypinksign versions 0.1 – 0.5.1. No fix is published. How to fix ↓
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Background
PyPinkSign is a Python package available on PyPI that provides functionality for AES encryption. It is commonly used for securing information and communications. However, in version 0.5.1, PyPinkSign has a vulnerability related to the use of a non-random or static Initialization Vector (IV) in Cipher Block Chaining (CBC) mode for AES encryption. This vulnerability can potentially lead to the disclosure of sensitive information and compromise the security of communications.
Vulnerability Detail
The vulnerability in PyPinkSign v0.5.1 arises from the use of a non-random or static IV in AES CBC mode. The IV is a crucial component in CBC mode as it is used to XOR with the plaintext before encryption. By using a non-random or static IV, an attacker can exploit patterns in the IV to deduce information about the encrypted data. This can result in the disclosure of sensitive information and compromise the confidentiality of communications. The vulnerability has a CVSSv3 score of 7.5, indicating a high severity.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid using PyPinkSign v0.5.1 for AES encryption in CBC mode. Instead, they can consider alternative encryption libraries or versions of PyPinkSign that do not suffer from this vulnerability. It is important to ensure that any alternative library or version used properly implements random and unique IVs for CBC mode encryption.
Conclusion
The PyPinkSign v0.5.1 AES CBC Mode Static IV vulnerability can potentially lead to the disclosure of sensitive information and compromise the security of communications. It is recommended to update PyPinkSign to a version that addresses the issue. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
PyPinkSign is a Python package available on PyPI that provides functionality for AES encryption.
AES CBC (Cipher Block Chaining) mode is a widely used encryption mode that operates on fixed-size blocks of data. It uses an Initialization Vector (IV) to XOR with the plaintext before encryption.
The vulnerability in PyPinkSign v0.5.1 can lead to the disclosure of sensitive information and compromise the security of communications.
To fix this vulnerability, update PyPinkSign to a version that addresses the issue. Check the PyPI repository or official documentation for the latest version and update instructions.
As a temporary workaround, consider using alternative encryption libraries or versions of PyPinkSign that do not suffer from this vulnerability.
