Advisory Published
Advisory Published


First published: Thu Nov 16 2023(Updated: )

PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption. This vulnerability can lead to the disclosure of information and communications.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Bandoche Pypinksign=0.5.1

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2023-48056.

  • What is PyPinkSign?

    PyPinkSign is a software package.

  • What version of PyPinkSign is affected?

    Version 0.5.1 of PyPinkSign is affected.

  • What is CBC mode in AES encryption?

    CBC (Cipher Block Chaining) is a mode of operation for symmetric block ciphers like AES.

  • How does using a non-random or static IV in CBC mode lead to a vulnerability?

    Using a non-random or static IV in CBC mode can lead to the disclosure of information and communications.

  • Are there any references for this vulnerability?

    Yes, there are references available at http://bandoche.com, http://pypinksign.com, and https://gxx777.github.io/PyPinkSign_v0.5.1_Cryptographic_API_Misuse_Vulnerability.md


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