bandoche/pypinksign · Security
PyPinkSign uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption
- GHSA ID
- GHSA-fxff-wxxv-c2jc
- CVE ID
- CVE-2023-48056
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS v4
- 8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Description
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.
CWEs
- CWE-330 · Use of Insufficiently Random Values
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-48056 ↗
- https://gxx777.github.io/PyPinkSign_v0.5.1_Cryptographic_API_Misuse_Vulnerability.md ↗
- https://github.com/bandoche/PyPinkSign/issues/29 ↗
- https://github.com/bandoche/PyPinkSign/commit/e1809ddf6a266e9007e10f0486b462fa7f89a43d ↗
- https://github.com/bandoche/PyPinkSign/blob/main/pypinksign/pypinksign.py#L504 ↗
- https://github.com/bandoche/PyPinkSign/blob/main/pypinksign/pypinksign.py#L537 ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/pypinksign/PYSEC-2023-245.yaml ↗
- https://github.com/advisories/GHSA-fxff-wxxv-c2jc ↗