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Oracle Database: Critical Patch Update - July 2023 (CVE-2023-23931)

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Oracle Database: Critical Patch Update - July 2023 (CVE-2023-23931)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/07/2023
Created
07/19/2023
Added
07/18/2023
Modified
07/18/2023

Description

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol, but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated, thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8.

Solution(s)

  • oracle-apply-jul-2023-cpu

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