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CVE-2023-23931
Good to know:
Date: February 7, 2023
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.
Language: Python
Severity Score
Related Resources (11)
Severity Score
Weakness Type (CWE)
Improper Check for Unusual or Exceptional Conditions
CWE-754Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | LOW |
| Availability (A): | LOW |