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CVE-2023-48056: PyPinkSign uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption

November 16, 2023 (updated October 14, 2024)

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.

References

  • github.com/advisories/GHSA-fxff-wxxv-c2jc
  • github.com/bandoche/PyPinkSign
  • github.com/bandoche/PyPinkSign/blob/main/pypinksign/pypinksign.py
  • github.com/bandoche/PyPinkSign/blob/main/pypinksign/pypinksign.py
  • github.com/bandoche/PyPinkSign/commit/e1809ddf6a266e9007e10f0486b462fa7f89a43d
  • github.com/bandoche/PyPinkSign/issues/29
  • github.com/pypa/advisory-database/tree/main/vulns/pypinksign/PYSEC-2023-245.yaml
  • gxx777.github.io/PyPinkSign_v0.5.1_Cryptographic_API_Misuse_Vulnerability.md
  • nvd.nist.gov/vuln/detail/CVE-2023-48056

Code Behaviors & Features

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Affected versions

All versions up to 0.5.1

Solution

Unfortunately, there is no solution available yet.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-330: Use of Insufficiently Random Values

Source file

pypi/pypinksign/CVE-2023-48056.yml

Spotted a mistake? Edit the file on GitLab.

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